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vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Menu nagusia</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">mugitu alboko barrara</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">ezkutatu</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Nabigazioa </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/Azala" title="Azala bisitatu [z]" accesskey="z"><span>Azala</span></a></li><li id="n-Txikipedia" class="mw-list-item"><a href="/wiki/Txikipedia:Azala"><span>Txikipedia</span></a></li><li id="n-Ikusgela" class="mw-list-item"><a href="/wiki/Atari:Hezkuntza/Ikusgela"><span>Ikusgela</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Txokoa" title="Proiektuaren inguruan, zer egin dezakezu, non aurkitu nahi duzuna"><span>Txokoa</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Berezi:AzkenAldaketak" title="Wikiko azken aldaketen zerrenda. [r]" accesskey="r"><span>Aldaketa berriak</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Berezi:Ausazkoa" title="Ausazko orrialde bat kargatu [x]" accesskey="x"><span>Ausazko orria</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Laguntza:Sarrera" title="Aurkitzeko lekua."><span>Laguntza</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Azala" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="Entziklopedia askea" src="/static/images/mobile/copyright/wikipedia-tagline-eu.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Berezi:Bilatu" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Wikipedia(e)n bilatu [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Bilatu</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Wikipedia wikian bilatu" aria-label="Wikipedia wikian bilatu" autocapitalize="sentences" title="Wikipedia(e)n bilatu [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Berezi:Bilatu"> </div> <button class="cdx-button cdx-search-input__end-button">Bilatu</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Tresna pertsonalak"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Itxura"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Itxura" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Itxura</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_eu.wikipedia.org&uselang=eu" class=""><span>Dohaintza egin</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Berezi:KontuaSortu&returnto=Lur+arraro" title="Kontu bat sortu eta horrekin saioa hastea eskatu nahi genizuke; ez da ezinbestekoa, ordea." class=""><span>Sortu kontua</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Berezi:SaioaHasi&returnto=Lur+arraro" title="Izen ematera gonbidatzen zaitugu. [o]" accesskey="o" class=""><span>Hasi saioa</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Aukera gehiago" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Tresna pertsonalak" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Tresna pertsonalak</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_eu.wikipedia.org&uselang=eu"><span>Dohaintza egin</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Berezi:KontuaSortu&returnto=Lur+arraro" title="Kontu bat sortu eta horrekin saioa hastea eskatu nahi genizuke; ez da ezinbestekoa, ordea."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Sortu kontua</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Berezi:SaioaHasi&returnto=Lur+arraro" title="Izen ematera gonbidatzen zaitugu. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Hasi saioa</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Izena eman gabeko erabiltzaileentzako orrialdeak <a href="/wiki/Laguntza:Sarrera" aria-label="Artikuluak aldatzeari buruz gehiago ikasi"><span>gehiago ikasi</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Berezi:NireEkarpenak" title="IP helbide honetatik egindako aldaketen zerrenda [y]" accesskey="y"><span>Ekarpenak</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Berezi:NireEztabaida" title="Zure IParen eztabaida [n]" accesskey="n"><span>Eztabaida</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Gunea"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Edukiak" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Edukiak</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mugitu alboko barrara</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ezkutatu</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">⇑ Gora</div> </a> </li> <li id="toc-Erreferentziak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Erreferentziak"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Erreferentziak</span> </div> </a> <ul id="toc-Erreferentziak-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kanpo_estekak" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kanpo_estekak"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Kanpo estekak</span> </div> </a> <ul id="toc-Kanpo_estekak-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Edukiak" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Eduki taularen ikusgarritasuna aldatu" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Eduki taularen ikusgarritasuna aldatu</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Lur arraro</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Joan beste hizkuntza batean idatzitako artikulu batera. 59 hizkuntzatan eskuragarri." > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-59" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">59 hizkuntza</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Seldsame_aardelement" title="Seldsame aardelement – afrikaansa" lang="af" hreflang="af" data-title="Seldsame aardelement" data-language-autonym="Afrikaans" data-language-local-name="afrikaansa" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D9%86%D8%B5%D8%B1_%D8%A3%D8%B1%D8%B6%D9%8A_%D9%86%D8%A7%D8%AF%D8%B1" title="عنصر أرضي نادر – arabiera" lang="ar" hreflang="ar" data-title="عنصر أرضي نادر" data-language-autonym="العربية" data-language-local-name="arabiera" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A0%D1%8D%D0%B4%D0%BA%D0%B0%D0%B7%D1%8F%D0%BC%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D1%8F_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%8B" title="Рэдказямельныя элементы – bielorrusiera" lang="be" hreflang="be" data-title="Рэдказямельныя элементы" data-language-autonym="Беларуская" data-language-local-name="bielorrusiera" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A0%D0%B5%D0%B4%D0%BA%D0%BE%D0%B7%D0%B5%D0%BC%D0%B5%D0%BD_%D0%B5%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82" title="Редкоземен елемент – bulgariera" lang="bg" hreflang="bg" data-title="Редкоземен елемент" data-language-autonym="Български" data-language-local-name="bulgariera" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A6%BF%E0%A6%B0%E0%A6%B2_%E0%A6%AE%E0%A7%83%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BF%E0%A6%95%E0%A6%BE_%E0%A6%AE%E0%A7%8C%E0%A6%B2" title="বিরল মৃত্তিকা মৌল – bengalera" lang="bn" hreflang="bn" data-title="বিরল মৃত্তিকা মৌল" data-language-autonym="বাংলা" data-language-local-name="bengalera" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Terra_rara" title="Terra rara – katalana" lang="ca" hreflang="ca" data-title="Terra rara" data-language-autonym="Català" data-language-local-name="katalana" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Vz%C3%A1cn%C3%A9_zeminy" title="Vzácné zeminy – txekiera" lang="cs" hreflang="cs" data-title="Vzácné zeminy" data-language-autonym="Čeština" data-language-local-name="txekiera" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%C3%87%C4%95%D1%80%D1%82%D0%B8-%D1%81%D0%B0%D0%B9%D1%80%D0%B0_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%81%D0%B5%D0%BC" title="Çĕрти-сайра элементсем – txuvaxera" lang="cv" hreflang="cv" data-title="Çĕрти-сайра элементсем" data-language-autonym="Чӑвашла" data-language-local-name="txuvaxera" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Sj%C3%A6ldne_jordarter" title="Sjældne jordarter – daniera" lang="da" hreflang="da" data-title="Sjældne jordarter" data-language-autonym="Dansk" data-language-local-name="daniera" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Metalle_der_Seltenen_Erden" title="Metalle der Seltenen Erden – alemana" lang="de" hreflang="de" data-title="Metalle der Seltenen Erden" data-language-autonym="Deutsch" data-language-local-name="alemana" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A3%CF%80%CE%AC%CE%BD%CE%B9%CE%B5%CF%82_%CE%B3%CE%B1%CE%AF%CE%B5%CF%82" title="Σπάνιες γαίες – greziera" lang="el" hreflang="el" data-title="Σπάνιες γαίες" data-language-autonym="Ελληνικά" data-language-local-name="greziera" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Rare-earth_element" title="Rare-earth element – ingelesa" lang="en" hreflang="en" data-title="Rare-earth element" data-language-autonym="English" data-language-local-name="ingelesa" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Rara_tero" title="Rara tero – esperantoa" lang="eo" hreflang="eo" data-title="Rara tero" data-language-autonym="Esperanto" data-language-local-name="esperantoa" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Tierras_raras" title="Tierras raras – gaztelania" lang="es" hreflang="es" data-title="Tierras raras" data-language-autonym="Español" data-language-local-name="gaztelania" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Haruldased_muldmetallid" title="Haruldased muldmetallid – estoniera" lang="et" hreflang="et" data-title="Haruldased muldmetallid" data-language-autonym="Eesti" data-language-local-name="estoniera" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B9%D9%86%D8%A7%D8%B5%D8%B1_%DA%A9%D9%85%DB%8C%D8%A7%D8%A8_%D8%B2%D9%85%DB%8C%D9%86" title="عناصر کمیاب زمین – persiera" lang="fa" hreflang="fa" data-title="عناصر کمیاب زمین" data-language-autonym="فارسی" data-language-local-name="persiera" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Harvinaiset_maametallit" title="Harvinaiset maametallit – finlandiera" lang="fi" hreflang="fi" data-title="Harvinaiset maametallit" data-language-autonym="Suomi" data-language-local-name="finlandiera" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Terre_rare" title="Terre rare – frantsesa" lang="fr" hreflang="fr" data-title="Terre rare" data-language-autonym="Français" data-language-local-name="frantsesa" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/D%C3%BAil_tearc-chr%C3%A9" title="Dúil tearc-chré – irlandera" lang="ga" hreflang="ga" data-title="Dúil tearc-chré" data-language-autonym="Gaeilge" data-language-local-name="irlandera" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%99%D7%A1%D7%95%D7%93%D7%95%D7%AA_%D7%A0%D7%93%D7%99%D7%A8%D7%99%D7%9D" title="יסודות נדירים – hebreera" lang="he" hreflang="he" data-title="יסודות נדירים" data-language-autonym="עברית" data-language-local-name="hebreera" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A6%E0%A5%81%E0%A4%B0%E0%A5%8D%E0%A4%B2%E0%A4%AD_%E0%A4%AE%E0%A5%83%E0%A4%A6%E0%A4%BE_%E0%A4%A4%E0%A4%A4%E0%A5%8D%E0%A4%B5" title="दुर्लभ मृदा तत्व – hindia" lang="hi" hreflang="hi" data-title="दुर्लभ मृदा तत्व" data-language-autonym="हिन्दी" data-language-local-name="hindia" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Rijetki_zemni_metali" title="Rijetki zemni metali – kroaziera" lang="hr" hreflang="hr" data-title="Rijetki zemni metali" data-language-autonym="Hrvatski" data-language-local-name="kroaziera" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Ritkaf%C3%B6ldf%C3%A9mek" title="Ritkaföldfémek – hungariera" lang="hu" hreflang="hu" data-title="Ritkaföldfémek" data-language-autonym="Magyar" data-language-local-name="hungariera" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%87%D5%B8%D6%82%D5%A7%D5%BF%D5%AB_%D5%B0%D5%A1%D5%A6%D5%B8%D6%82%D5%A1%D5%A3%D5%AB%D6%82%D5%BF_%D5%B0%D5%B8%D5%B2%D5%A5%D6%80%D5%A8" title="Շուէտի հազուագիւտ հողերը – Western Armenian" lang="hyw" hreflang="hyw" data-title="Շուէտի հազուագիւտ հողերը" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Logam_tanah_jarang" title="Logam tanah jarang – indonesiera" lang="id" hreflang="id" data-title="Logam tanah jarang" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiera" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Sjaldg%C3%A6fur_jar%C3%B0m%C3%A1lmur" title="Sjaldgæfur jarðmálmur – islandiera" lang="is" hreflang="is" data-title="Sjaldgæfur jarðmálmur" data-language-autonym="Íslenska" data-language-local-name="islandiera" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Terre_rare" title="Terre rare – italiera" lang="it" hreflang="it" data-title="Terre rare" data-language-autonym="Italiano" data-language-local-name="italiera" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%B8%8C%E5%9C%9F%E9%A1%9E%E5%85%83%E7%B4%A0" title="希土類元素 – japoniera" lang="ja" hreflang="ja" data-title="希土類元素" data-language-autonym="日本語" data-language-local-name="japoniera" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%98%E1%83%A8%E1%83%95%E1%83%98%E1%83%90%E1%83%97_%E1%83%9B%E1%83%98%E1%83%AC%E1%83%90%E1%83%97%E1%83%90_%E1%83%94%E1%83%9A%E1%83%94%E1%83%9B%E1%83%94%E1%83%9C%E1%83%A2%E1%83%94%E1%83%91%E1%83%98" title="იშვიათ მიწათა ელემენტები – georgiera" lang="ka" hreflang="ka" data-title="იშვიათ მიწათა ელემენტები" data-language-autonym="ქართული" data-language-local-name="georgiera" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A1%D0%B8%D1%80%D0%B5%D0%BA%D0%B6%D0%B5%D1%80_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%82%D0%B5%D1%80" title="Сирекжер элементтер – kazakhera" lang="kk" hreflang="kk" data-title="Сирекжер элементтер" data-language-autonym="Қазақша" data-language-local-name="kazakhera" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B5%E0%B2%BF%E0%B2%B0%E0%B2%B3_%E0%B2%AD%E0%B2%B8%E0%B3%8D%E0%B2%AE" title="ವಿರಳ ಭಸ್ಮ – kannada" lang="kn" hreflang="kn" data-title="ವಿರಳ ಭಸ್ಮ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%9D%AC%ED%86%A0%EB%A5%98_%EC%9B%90%EC%86%8C" title="희토류 원소 – koreera" lang="ko" hreflang="ko" data-title="희토류 원소" data-language-autonym="한국어" data-language-local-name="koreera" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Retieji_%C5%BEem%C4%97s_elementai" title="Retieji žemės elementai – lituaniera" lang="lt" hreflang="lt" data-title="Retieji žemės elementai" data-language-autonym="Lietuvių" data-language-local-name="lituaniera" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B1%E0%B5%86%E0%B4%AF%E0%B5%BC_%E0%B4%8E%E0%B5%BC%E0%B4%A4%E0%B5%8D%E0%B4%A4%E0%B5%8D_%E0%B4%AE%E0%B5%82%E0%B4%B2%E0%B4%95%E0%B4%99%E0%B5%8D%E0%B4%99%E0%B5%BE" title="റെയർ എർത്ത് മൂലകങ്ങൾ – malabarera" lang="ml" hreflang="ml" data-title="റെയർ എർത്ത് മൂലകങ്ങൾ" data-language-autonym="മലയാളം" data-language-local-name="malabarera" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%93%D0%B0%D0%B7%D1%80%D1%8B%D0%BD_%D1%85%D0%BE%D0%B2%D0%BE%D1%80_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D2%AF%D2%AF%D0%B4" title="Газрын ховор элементүүд – mongoliera" lang="mn" hreflang="mn" data-title="Газрын ховор элементүүд" data-language-autonym="Монгол" data-language-local-name="mongoliera" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Unsur_nadir_bumi" title="Unsur nadir bumi – malaysiera" lang="ms" hreflang="ms" data-title="Unsur nadir bumi" data-language-autonym="Bahasa Melayu" data-language-local-name="malaysiera" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%99%E1%80%BC%E1%80%B1%E1%80%9B%E1%80%BE%E1%80%AC%E1%80%B8%E1%80%92%E1%80%BC%E1%80%95%E1%80%BA%E1%80%85%E1%80%84%E1%80%BA%E1%80%99%E1%80%BB%E1%80%AC%E1%80%B8" title="မြေရှားဒြပ်စင်များ – birmaniera" lang="my" hreflang="my" data-title="မြေရှားဒြပ်စင်များ" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmaniera" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Zeldzame_aarde" title="Zeldzame aarde – nederlandera" lang="nl" hreflang="nl" data-title="Zeldzame aarde" data-language-autonym="Nederlands" data-language-local-name="nederlandera" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Sjeldne_jordartar" title="Sjeldne jordartar – nynorsk (norvegiera)" lang="nn" hreflang="nn" data-title="Sjeldne jordartar" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorsk (norvegiera)" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Sjeldne_jordarter" title="Sjeldne jordarter – bokmål (norvegiera)" lang="nb" hreflang="nb" data-title="Sjeldne jordarter" data-language-autonym="Norsk bokmål" data-language-local-name="bokmål (norvegiera)" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/T%C3%A8rra_rara" title="Tèrra rara – okzitaniera" lang="oc" hreflang="oc" data-title="Tèrra rara" data-language-autonym="Occitan" data-language-local-name="okzitaniera" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Metale_ziem_rzadkich" title="Metale ziem rzadkich – poloniera" lang="pl" hreflang="pl" data-title="Metale ziem rzadkich" data-language-autonym="Polski" data-language-local-name="poloniera" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Terra-rara" title="Terra-rara – portugesa" lang="pt" hreflang="pt" data-title="Terra-rara" data-language-autonym="Português" data-language-local-name="portugesa" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/P%C4%83m%C3%A2nturi_rare" title="Pământuri rare – errumaniera" lang="ro" hreflang="ro" data-title="Pământuri rare" data-language-autonym="Română" data-language-local-name="errumaniera" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A0%D0%B5%D0%B4%D0%BA%D0%BE%D0%B7%D0%B5%D0%BC%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%8B" title="Редкоземельные элементы – errusiera" lang="ru" hreflang="ru" data-title="Редкоземельные элементы" data-language-autonym="Русский" data-language-local-name="errusiera" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Rare-earth_element" title="Rare-earth element – eskoziera" lang="sco" hreflang="sco" data-title="Rare-earth element" data-language-autonym="Scots" data-language-local-name="eskoziera" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Rijetki_zemni_metali" title="Rijetki zemni metali – serbokroaziera" lang="sh" hreflang="sh" data-title="Rijetki zemni metali" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroaziera" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Rare_earth_element" title="Rare earth element – Simple English" lang="en-simple" hreflang="en-simple" data-title="Rare earth element" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Kov_vz%C3%A1cnych_zem%C3%ADn" title="Kov vzácnych zemín – eslovakiera" lang="sk" hreflang="sk" data-title="Kov vzácnych zemín" data-language-autonym="Slovenčina" data-language-local-name="eslovakiera" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/S%C3%A4llsynta_jordartsmetaller" title="Sällsynta jordartsmetaller – suediera" lang="sv" hreflang="sv" data-title="Sällsynta jordartsmetaller" data-language-autonym="Svenska" data-language-local-name="suediera" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Ardhi_adimu" title="Ardhi adimu – swahilia" lang="sw" hreflang="sw" data-title="Ardhi adimu" data-language-autonym="Kiswahili" data-language-local-name="swahilia" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%98%E0%B8%B2%E0%B8%95%E0%B8%B8%E0%B8%AB%E0%B8%B2%E0%B8%A2%E0%B8%B2%E0%B8%81" title="ธาตุหายาก – thailandiera" lang="th" hreflang="th" data-title="ธาตุหายาก" data-language-autonym="ไทย" data-language-local-name="thailandiera" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Nadir_toprak_elementi" title="Nadir toprak elementi – turkiera" lang="tr" hreflang="tr" data-title="Nadir toprak elementi" data-language-autonym="Türkçe" data-language-local-name="turkiera" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D8%B3%D9%89%D8%B1%DB%95%D9%83_%D8%AA%D9%88%D9%BE%D8%A7" title="سىرەك توپا – uigurrera" lang="ug" hreflang="ug" data-title="سىرەك توپا" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="uigurrera" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A0%D1%96%D0%B4%D0%BA%D1%96%D1%81%D0%BD%D0%BE%D0%B7%D0%B5%D0%BC%D0%B5%D0%BB%D1%8C%D0%BD%D1%96_%D0%B5%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D0%B8" title="Рідкісноземельні елементи – ukrainera" lang="uk" hreflang="uk" data-title="Рідкісноземельні елементи" data-language-autonym="Українська" data-language-local-name="ukrainera" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BA%A5t_hi%E1%BA%BFm" title="Đất hiếm – vietnamera" lang="vi" hreflang="vi" data-title="Đất hiếm" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamera" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%A8%80%E5%9C%9F%E9%87%91%E5%B1%9E" title="稀土金属 – wu txinera" lang="wuu" hreflang="wuu" data-title="稀土金属" data-language-autonym="吴语" data-language-local-name="wu txinera" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%A8%80%E5%9C%9F%E5%85%83%E7%B4%A0" title="稀土元素 – txinera" lang="zh" hreflang="zh" data-title="稀土元素" data-language-autonym="中文" data-language-local-name="txinera" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%A8%80%E5%9C%9F" title="稀土 – kantonera" lang="yue" hreflang="yue" data-title="稀土" data-language-autonym="粵語" data-language-local-name="kantonera" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q190444#sitelinks-wikipedia" title="Aldatu hizkuntzen arteko loturak" class="wbc-editpage">Aldatu loturak</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Izen-tarteak"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Lur_arraro" title="Eduki orrialdea ikusi [c]" accesskey="c"><span>Artikulua</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Eztabaida:Lur_arraro&action=edit&redlink=1" 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href="/wiki/Berezi:ZerkLotzenDuHona/Lur_arraro" title="Orri honetaranzko esteka duten wiki orri guztien zerrenda [j]" accesskey="j"><span>Honanzko esteka duten orriak</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Berezi:RecentChangesLinked/Lur_arraro" rel="nofollow" title="Orri honetatik esteka duten orrietako azken aldaketak [k]" accesskey="k"><span>Lotutako orrietako aldaketak</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=eu" title="Irudiak edo media fitxategiak igo [u]" accesskey="u"><span>Fitxategia igo</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Berezi:OrrialdeBereziak" title="Orri berezi guztien zerrenda [q]" accesskey="q"><span>Orri bereziak</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Lur_arraro&oldid=8812115" title="Orriaren bertsio honetaranzko esteka iraunkorra"><span>Lotura 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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="eu" dir="ltr"><p><b>Lur arraroak</b> (edo <b>lantanidoen seriea</b>)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>, <a href="/wiki/IUPAC" class="mw-redirect" title="IUPAC">IUPACen</a> arabera, hamabost <a href="/wiki/Lantanoide" title="Lantanoide">lantanoideek</a>, <a href="/wiki/Eskandio" title="Eskandio">eskandioak</a> eta <a href="/wiki/Itrio" title="Itrio">itrioak</a> osatzen duten multzoa da<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>. Azken biak multzo honetan sartzen badira, lantanoideak agertzen diren <a href="/wiki/Mea" title="Mea">mea</a>-biltegi beretan agertzen direlako da. </p><p>Lur arraroak 1787 aurkitu zituen lehen aldiz <a href="/w/index.php?title=Karl_Arrhenius&action=edit&redlink=1" class="new" title="Karl Arrhenius (sortu gabe)">Karl Arrheniusek</a>, <a href="/wiki/Iterbita" class="mw-redirect" title="Iterbita">iterbita</a> izeneko mineral beltza (<a href="/wiki/Gadolinita" title="Gadolinita">gadolinita</a> izenarekin ere ezagutzen dena) aurkitu zuenean <a href="/wiki/Suedia" title="Suedia">Suediako</a> <a href="/w/index.php?title=Ytterby&action=edit&redlink=1" class="new" title="Ytterby (sortu gabe)">Ytterby</a> herrian<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>. </p><p>"Lur" terminoa <a href="/wiki/Oxido" title="Oxido">oxidoei</a> deitzeko modu zaharkitua da; elementu horiek aurkitu zirenean, <a href="/wiki/XIX._mendea" title="XIX. mendea">XIX. mendearen</a> hasieran, orduko <i><a href="/wiki/Lingua_franca" title="Lingua franca">lingua franca</a></i> zen <a href="/wiki/Frantses" title="Frantses">frantsesezko</a> <i>terre</i> hitzaren itzulpena da. "Arraro" deitu zitzaien horietako zenbait oso urriak zirela uste izan zelako. Haatik, elementu hauek, izatez, aski arruntak dira <a href="/wiki/Lurrazal" title="Lurrazal">Lurrazalean</a> (oso ezegonkorra den <a href="/wiki/Prometio" title="Prometio">prometioa</a> salbu). Multzo honetako elementurik ugariena, <a href="/wiki/Zerio_(argipena)" class="mw-disambig" title="Zerio (argipena)">zerioa</a> alegia, 688 <a href="/wiki/Ppm" class="mw-redirect" title="Ppm">ppm</a>-ko kontzentrazioan dago Lurrazalean, hau da, 25. elementurik arruntena da eta <a href="/wiki/Berun" title="Berun">beruna</a> baino arruntagoa da. Elementu "arrarorik" bakanena ere, <a href="/wiki/Lutezio" title="Lutezio">lutezioa</a>, <a href="/wiki/Urre" title="Urre">urrea</a> baino 200 aldiz ugariagoa da. </p> <div class="mw-heading mw-heading2"><h2 id="Erreferentziak">Erreferentziak</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lur_arraro&veaction=edit&section=1" title="Aldatu atal hau: «Erreferentziak»" class="mw-editsection-visualeditor"><span>aldatu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lur_arraro&action=edit&section=1" title="Edit section's source code: Erreferentziak"><span>aldatu iturburu kodea</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">↑</a> <span class="reference-text"><a href="/wiki/Euskalterm" title="Euskalterm">Euskalterm</a>: [Hiztegi terminologikoa] [2009]</span> </li> <li id="cite_note-2"><a href="#cite_ref-2">↑</a> <span class="reference-text"><span class="citation"></span> <span class="citation" id="CITEREFEdited_by_N_G_Connelly_and_T_Damhus_(with_R_M_Hartshorn_and_A_T_Hutton)2005">Edited by N G Connelly and T Damhus (with R M Hartshorn and A T Hutton), ed. (PDF) <a rel="nofollow" class="external text" href="http://www.iupac.org/publications/books/rbook/Red_Book_2005.pdf"><i>Nomenclature of Inorganic Chemistry: IUPAC Recommendations 2005. </i></a> <a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Berezi:BookSources/0-85404-438-8" title="Berezi:BookSources/0-85404-438-8">0-85404-438-8</a>. <span class="reference-accessdate"><small>(Noiz kontsultatua: 2007-12-17)</small></span></span>.</span> </li> <li id="cite_note-3"><a href="#cite_ref-3">↑</a> <span class="reference-text"><span class="citation"></span> <span class="citation" id="CITEREFGschneidner_KA,_Cappellen1987">Gschneidner KA, Cappellen, ed. «1787-1987 Two hundred Years of Rare Earths» <i>Rare Earth Information Center, IPRT, North-Holland</i> IS-RIC 10</span>.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Kanpo_estekak">Kanpo estekak</h2><span class="mw-editsection"><span 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