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<!doctype html><html><head><title>Configuració de Google Acadèmic</title><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="referrer" content="always"><meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=2"><meta name="format-detection" content="telephone=no"><link rel="shortcut icon" href="/favicon.ico"><style>html,body,form,table,div,h1,h2,h3,h4,h5,h6,img,ol,ul,li,button{margin:0;padding:0;border:0;}table{border-collapse:collapse;border-width:0;empty-cells:show;}html,body{height:100%}#gs_top{position:relative;box-sizing:border-box;min-height:100%;min-width:964px;-webkit-tap-highlight-color:rgba(0,0,0,0);}#gs_top>*:not(#x){-webkit-tap-highlight-color:rgba(204,204,204,.5);}.gs_el_ph #gs_top,.gs_el_ta 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carregant...</div><div id="gs_md_err" style="display:none">En aquests moments el sistema no pot dur a terme l'operació. Torneu-ho a provar més tard.</div><div id="gs_md_s"></div><div id="gs_hdr_drw" class="gs_md_ulr gs_md_ds" role="dialog" tabindex="-1" data-shd="gs_hdr_drs" data-wfc="gs_hdr_drw_mnu" data-cfc="gs_hdr_mnu"><div id="gs_hdr_drw_in"><div id="gs_hdr_drw_top"><a href="javascript:void(0)" id="gs_hdr_drw_mnu" role="button" aria-controls="gs_hdr_drw" aria-label="Opcions" class="gs_btnMNT gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><a id="gs_hdr_drw_lgo" href="/schhp?hl=ca&as_sdt=0,5" aria-label="Pàgina d'inici"></a></div><div><div class="gs_hdr_drw_sec"><a href="/citations?hl=ca" role="menuitem" class="gs_btnPRO gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">El meu perfil</span></a><a href="/scholar?scilib=1&hl=ca&as_sdt=0,5" role="menuitem" class="gs_btnL gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">La meva biblioteca</span></a><a href="/scholar_alerts?view_op=list_alerts&hl=ca" role="menuitem" class="gs_btnM gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Alertes</span></a><a href="/citations?view_op=metrics_intro&hl=ca" role="menuitem" class="gs_btnJ gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Mètriques</span></a></div><div class="gs_hdr_drw_sec"><a href="/scholar_settings?hl=ca&as_sdt=0,5" role="menuitem" class="gs_btnP gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Configuració</span></a></div></div><div id="gs_hdr_drw_bot" class="gs_hdr_drw_sec"><a href="https://accounts.google.com/Login?hl=ca&continue=https://scholar.google.com/scholar_settings%3Fsciifh%3D1%26hl%3Dca%26as_sdt%3D0,5" class=" gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Inicia la sessió</span></a></div></div></div><div id="gs_hdr" role="banner"><a href="javascript:void(0)" id="gs_hdr_mnu" role="button" aria-controls="gs_hdr_drw" class="gs_btnMNT gs_hdr_dso gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><a href="/schhp?hl=ca&as_sdt=0,5" id="gs_hdr_bck" role="button" class="gs_btnALT gs_hdr_mbo gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><a id="gs_hdr_lgo" class="gs_hdr_dso" href="/schhp?hl=ca&as_sdt=0,5" aria-label="Pàgina d'inici"></a><div id="gs_hdr_md"><h1 class="gs_hdr_mbo" dir="ltr">Configuració</h1></div><div id="gs_hdr_act"><a id="gs_hdr_act_s" href="https://accounts.google.com/Login?hl=ca&continue=https://scholar.google.com/scholar_settings%3Fsciifh%3D1%26hl%3Dca%26as_sdt%3D0,5">Inicia la sessió</a></div></div><style>#gs_alrt{position:fixed;bottom:48px;left:16px;max-width:384px;z-index:1250;display:flex;justify-content:space-between;align-items:center;font-size:13px;line-height:16px;color:#e2e2e2;background:#333;text-align:left;border-radius:3px;box-shadow:0 3px 5px -1px rgba(0,0,0,.2),0 6px 10px 0 rgba(0,0,0,.14),0 1px 18px 0 rgba(0,0,0,.12);visibility:hidden;transform-origin:center;transform:scale(0.8,0.8) translate(0,100%);}.gs_el_ph #gs_alrt{bottom:0;left:0;width:100%;max-width:none;border-radius:0;box-shadow:none;transform:scale(1,1) translate(0,100%);}#gs_alrt.gs_vis{visibility:visible;transform:scale(1,1) translate(0,0);}#gs_alrt.gs_anm{transition:transform .067s cubic-bezier(.4,0,1,1),visibility 0s .067s;}#gs_alrt.gs_vis.gs_anm{transition:transform .067s cubic-bezier(0,0,.2,1);}.gs_el_ph #gs_alrt.gs_anm{transition:transform .084s cubic-bezier(.4,0,1,1),visibility 0s .084s;}.gs_el_ph #gs_alrt.gs_vis.gs_anm{transition:transform .1s cubic-bezier(0,0,.2,1);}#gs_alrt_m{display:block;padding:16px;}#gs_alrt_l{display:block;padding:8px;margin:0 8px 0 -8px;border-radius:3px;color:#fcc934;text-transform:uppercase;text-decoration:none;}#gs_alrt_l:hover{background-color:rgba(255,255,255,.05)}#gs_alrt_l:active{background-color:rgba(255,255,255,.1)}#gs_alrt_l:empty{display:none}#gs_alrt_m a{padding:8px 0;color:#e2e2e2;text-decoration:underline;}#gs_alrt_m a:active{color:#f6aea9}</style><form action="" method="post" id="gs_alrt"><span id="gs_alrt_m"></span><span id="gs_alrt_h"></span><a id="gs_alrt_l" href="javascript:void(0)" class="gs_fm_s" data-fm="gs_alrt"></a></form><form id="gs_bdy_frm" action="/scholar_setprefs" method="GET"><input type=hidden name="sciifh" value="1"><input type=hidden name="inststart" value="0"><input type=hidden name="scisig" value="AFWwaeYAAAAAZ2MHVQSwaFsT5t9Rhi5M5MPkRik"><input type=hidden name="xsrf" value=""><input type="image" border="0" name="nosubmit" src="/scholar/images/cleardot.gif" tabindex="-1"><div id="gs_ab" class=" gs_nta gs_nph"><div id="gs_ab_ico" class="gs_btnGSL"><span class="gs_ico"></span></div><div id="gs_ab_ttl"><div class="gs_ab_mdw">Configuració</div></div><div id="gs_ab_md"><div class="gs_ab_mdw"></div></div><div id="gs_ab_btns"></div></div><div id="gs_bdy"><div id="gs_bdy_sb" role="navigation"><div id="gs_bdy_sb_in"><ul id="gs_settings_tabs" class="gs_bdy_sb_sec" role="tablist"><li class="gs_ind gs_bdy_sb_sel" role="presentation"><a href="#0" role="tab" aria-controls="gs_settings_pnl_search" id="gs_settings_tab_search" aria-selected="true">Resultats de la cerca</a></li><li class="gs_ind" role="presentation"><a href="#1" role="tab" aria-controls="gs_settings_pnl_langs" id="gs_settings_tab_langs" aria-selected="false">Idiomes</a></li><li class="gs_ind" role="presentation"><a href="#2" role="tab" aria-controls="gs_settings_pnl_liblinks" aria-selected="false">Enllaços de la biblioteca</a></li><li class="gs_ind" role="presentation"><a href="#3" role="tab" aria-controls="gs_settings_pnl_account" id="gs_settings_tab_account" aria-selected="false">Compte</a></li><li class="gs_ind" role="presentation" id="gs_settings_promo_tab"><a href="#4" role="tab" aria-controls="gs_settings_pnl_promos" id="gs_settings_tab_extensions" aria-selected="false">Extensions del navegador</a></li></ul></div></div><div id="gs_bdy_ccl" role="main"><div id="gs_settings_ccl"><div class="gs_alrt">Sembla que teniu inhabilitades les galetes del navegador. <br>Fins que no les habiliteu, les preferències no funcionaran.<br><a href="//support.google.com/accounts/answer/61416?hl=ca">Com puc habilitar les galetes?</a></div><div class="gs_settings_panel gs_vis" role="tabpanel" aria-labelledby="gs_settings_tab_search" id="gs_settings_pnl_search"><div class="gs_settings_section"><h3>Resultats per pàgina</h3><div class="gs_settings_value"><table cellpadding="0" id="gs_num_table"><tr><td><div id="gs_num-r" class="gs_md_r gs_md_ris"><input type="hidden" name="num" id="gs_num" value="10" class="gs_md_in"><button type="button" id="gs_num-b" aria-controls="gs_num-d" aria-haspopup="true" ontouchstart="gs_evt_dsp(event)" class=" gs_in_se gs_btn_lsb gs_press gs_md_tb"><span class="gs_wr"><span class="gs_lbl" id="gs_num-bl">10</span><span class="gs_icm"></span></span></button><div id="gs_num-d" class="gs_md_d gs_md_ds gs_md_ulr" role="listbox" tabindex="-1"><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="10" href="javascript:void(0)" class="gs_md_li gs_sel" aria-selected="true">10</a><a role="option" tabindex="-1" data-v="20" href="javascript:void(0)" class="gs_md_li">20</a></div></div></div></td><td id="gs_num_help">L'opció predeterminada de Google (10 resultats) és la que proporciona els resultats amb més rapidesa.</td></tr></table></div></div><div class="gs_settings_section"><h3>On s'obren els resultats</h3><div class="gs_settings_value gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="newwindow" id="gs_nw" value="1"><label for="gs_nw">Obre cada resultat seleccionat en una finestra nova del navegador</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></div><div class="gs_settings_section"><h3>Administrador de bibliografia</h3><div class="gs_settings_value"><div class="gs_settings_ind"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="scis" value="no" id="gs_settings_import_none" checked><label for="gs_settings_import_none">No mostris cap enllaç per importar cites.</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div id="gs_sil" class="gs_settings_ind"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="scis" value="yes" id="gs_settings_import_some"><label for="gs_settings_import_some">Mostra enllaços per importar cites a </label><span class="gs_chk"></span><span class="gs_cbx"></span></span><div class="gs_ibl"><div id="gs_settings_impw"><div id="gs_settings_import-r" class="gs_md_r gs_md_ris"><input type="hidden" name="scisf" id="gs_settings_import" value="4" class="gs_md_in"><button type="button" id="gs_settings_import-b" aria-controls="gs_settings_import-d" aria-haspopup="true" ontouchstart="gs_evt_dsp(event)" class=" gs_in_se gs_btn_lsb gs_press gs_md_tb"><span class="gs_wr"><span class="gs_lbl" id="gs_settings_import-bl">BibTeX</span><span class="gs_icm"></span></span></button><div id="gs_settings_import-d" class="gs_md_d gs_md_ds gs_md_ulr" role="listbox" tabindex="-1"><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="4" href="javascript:void(0)" class="gs_md_li gs_sel" aria-selected="true">BibTeX</a><a role="option" tabindex="-1" data-v="3" href="javascript:void(0)" class="gs_md_li">EndNote</a><a role="option" tabindex="-1" data-v="2" href="javascript:void(0)" class="gs_md_li">RefMan</a><a role="option" tabindex="-1" data-v="1" href="javascript:void(0)" class="gs_md_li">RefWorks</a></div></div></div></div></div><span></span></div></div></div></div><div class="gs_settings_panel" role="tabpanel" aria-labelledby="gs_settings_tab_langs" id="gs_settings_pnl_langs"><div class="gs_settings_section"><h3>Per al text de Google</h3><div class="gs_settings_value"><div id="gs_settings_hl-r" class="gs_md_r gs_md_ris"><input type="hidden" name="hl" id="gs_settings_hl" value="ca" class="gs_md_in"><button type="button" id="gs_settings_hl-b" aria-controls="gs_settings_hl-d" aria-haspopup="true" ontouchstart="gs_evt_dsp(event)" class=" gs_in_se gs_btn_lsb gs_press gs_md_tb"><span class="gs_wr"><span class="gs_lbl" id="gs_settings_hl-bl">Català</span><span class="gs_icm"></span></span></button><div id="gs_settings_hl-d" class="gs_md_d gs_md_ds gs_md_ulr" role="listbox" tabindex="-1"><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="ca" href="javascript:void(0)" class="gs_md_li gs_sel" aria-selected="true">Català</a><a role="option" tabindex="-1" data-v="cs" href="javascript:void(0)" class="gs_md_li">Čeština</a><a role="option" tabindex="-1" data-v="da" href="javascript:void(0)" class="gs_md_li">Dansk</a><a role="option" tabindex="-1" data-v="de" href="javascript:void(0)" class="gs_md_li">Deutsch</a><a role="option" tabindex="-1" data-v="en" href="javascript:void(0)" class="gs_md_li">English</a><a role="option" tabindex="-1" data-v="es" href="javascript:void(0)" class="gs_md_li">Español</a><a role="option" tabindex="-1" data-v="tl" href="javascript:void(0)" class="gs_md_li">Filipino</a><a role="option" tabindex="-1" data-v="fr" href="javascript:void(0)" class="gs_md_li">Français</a><a role="option" tabindex="-1" data-v="hr" href="javascript:void(0)" class="gs_md_li">Hrvatski</a><a role="option" tabindex="-1" data-v="id" href="javascript:void(0)" class="gs_md_li">Indonesia</a></div><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="it" href="javascript:void(0)" class="gs_md_li">Italiano</a><a role="option" tabindex="-1" data-v="lv" href="javascript:void(0)" class="gs_md_li">Latviešu</a><a role="option" tabindex="-1" data-v="lt" href="javascript:void(0)" class="gs_md_li">Lietuvių</a><a role="option" tabindex="-1" data-v="hu" href="javascript:void(0)" class="gs_md_li">Magyar</a><a role="option" tabindex="-1" data-v="nl" href="javascript:void(0)" class="gs_md_li">Nederlands</a><a role="option" tabindex="-1" data-v="no" href="javascript:void(0)" class="gs_md_li">Norsk</a><a role="option" tabindex="-1" data-v="pl" href="javascript:void(0)" class="gs_md_li">Polski</a><a role="option" tabindex="-1" data-v="pt-BR" href="javascript:void(0)" class="gs_md_li">Português (Brasil)</a><a role="option" tabindex="-1" data-v="pt-PT" href="javascript:void(0)" class="gs_md_li">Português (Portugal)</a><a role="option" tabindex="-1" data-v="ro" href="javascript:void(0)" class="gs_md_li">Română</a></div><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="sk" href="javascript:void(0)" class="gs_md_li">Slovenčina</a><a role="option" tabindex="-1" data-v="sl" href="javascript:void(0)" class="gs_md_li">Slovenščina</a><a role="option" tabindex="-1" data-v="fi" href="javascript:void(0)" class="gs_md_li">Suomi</a><a role="option" tabindex="-1" data-v="sv" href="javascript:void(0)" class="gs_md_li">Svenska</a><a role="option" tabindex="-1" data-v="vi" href="javascript:void(0)" class="gs_md_li">Tiếng Việt</a><a role="option" tabindex="-1" data-v="tr" href="javascript:void(0)" class="gs_md_li">Türkçe</a><a role="option" tabindex="-1" data-v="el" href="javascript:void(0)" class="gs_md_li">Ελληνικά</a><a role="option" tabindex="-1" data-v="bg" href="javascript:void(0)" class="gs_md_li">Български</a><a role="option" tabindex="-1" data-v="ru" href="javascript:void(0)" class="gs_md_li">Русский</a><a role="option" tabindex="-1" data-v="sr" href="javascript:void(0)" class="gs_md_li">Српски</a></div><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="uk" href="javascript:void(0)" class="gs_md_li">Українська</a><a role="option" tabindex="-1" data-v="iw" href="javascript:void(0)" class="gs_md_li"><span dir=rtl>עברית</span>‎</a><a role="option" tabindex="-1" data-v="ar" href="javascript:void(0)" class="gs_md_li"><span dir=rtl>ﺎﻠﻋﺮﺒﻳﺓ</span>‎</a><a role="option" tabindex="-1" data-v="fa" href="javascript:void(0)" class="gs_md_li"><span dir=rtl>ﻑﺍﺮﺳی</span>‎</a><a role="option" tabindex="-1" data-v="hi" href="javascript:void(0)" class="gs_md_li">हिन्दी</a><a role="option" tabindex="-1" data-v="th" href="javascript:void(0)" class="gs_md_li">ไทย</a><a role="option" tabindex="-1" data-v="ko" href="javascript:void(0)" class="gs_md_li">한국어</a><a role="option" tabindex="-1" data-v="zh-CN" href="javascript:void(0)" class="gs_md_li">中文 (简体)</a><a role="option" tabindex="-1" data-v="zh-TW" href="javascript:void(0)" class="gs_md_li">中文 (繁體)</a><a role="option" tabindex="-1" data-v="ja" href="javascript:void(0)" class="gs_md_li">日本語</a></div></div></div></div></div><div class="gs_settings_section"><h3>Per als resultats de la cerca</h3><div class="gs_settings_value"><div class="gs_settings_ind"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="lang" value="all" id="gs_settings_lr_all" checked><label for="gs_settings_lr_all">Cerca pàgines escrites en qualsevol idioma</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="lang" value="some" id="gs_settings_lr_some"><label for="gs_settings_lr_some">Cerca només en l'idioma o idiomes seleccionats:</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><table id="gs_settings_langs_lr"><tr><td><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_de" value="lang_de"><label for="gs_lr_de">alemany</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_en" value="lang_en"><label for="gs_lr_en">anglès</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_es" value="lang_es"><label for="gs_lr_es">castellà</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_ko" value="lang_ko"><label for="gs_lr_ko">coreà</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_fr" value="lang_fr"><label for="gs_lr_fr">francès</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></td><td><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_it" value="lang_it"><label for="gs_lr_it">italià</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_ja" value="lang_ja"><label for="gs_lr_ja">japonès</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_nl" value="lang_nl"><label for="gs_lr_nl">neerlandès</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_pl" value="lang_pl"><label for="gs_lr_pl">polonès</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_pt" value="lang_pt"><label for="gs_lr_pt">portuguès</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></td><td><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_tr" value="lang_tr"><label for="gs_lr_tr">turc</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_zh-CN" value="lang_zh-CN"><label for="gs_lr_zh-CN">xinès (simplificat)</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_zh-TW" value="lang_zh-TW"><label for="gs_lr_zh-TW">xinès (tradicional)</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></td></tr></table></div></div></div><div class="gs_settings_panel" role="tabpanel" aria-labelledby="gs_settings_tab_liblinks" id="gs_settings_pnl_liblinks"><div class="gs_settings_section"><h3>Mostra els enllaços d'accés a la biblioteca (podeu triar fins a cinc biblioteques):</h3><div class="gs_settings_value"><div id="gs_settings_liblinks_find"><div class="gs_in_txtw gs_in_txtb"><input type="text" class="gs_in_txt" name="instq" value="" id="gs_instq" maxlength="80" autocapitalize="off" aria-label="Cerca"><div class="gs_in_txts"></div></div><button type="submit" name="instfind" aria-label="Busca biblioteca" class="gs_btnG gs_in_ib gs_btn_act gs_btn_lsb"><span class="gs_wr"><span class="gs_ico"></span><span class="gs_lbl"></span></span></button></div><div class="gs_gray">p.ex., <i>Harvard</i></div><div id="gs_settings_liblinks_lst"><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="inst" id="gs_lib_569367360547434339" value="569367360547434339" checked><label for="gs_lib_569367360547434339">Open WorldCat - Cerca de biblioteques</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></div><div role="navigation"><span></span></div><p>L’accés en línia a les subscripcions de la biblioteca sol estar restringit per als patrocinadors d’aquesta biblioteca. Haureu d’accedir amb la vostra contrasenya de la biblioteca, utilitzar un equip del campus o configurar el vostre navegador per tal d’utilitzar un servidor intermediari de la biblioteca. Visiteu el lloc web de la vostra biblioteca o demaneu ajuda a un bibliotecari local.</p></div></div></div><div class="gs_settings_panel" role="tabpanel" aria-labelledby="gs_settings_tab_account" id="gs_settings_pnl_account"><div class="gs_settings_section"><h3>Compte</h3><div class="gs_settings_value"><div>No heu iniciat sessió al vostre compte de Google.</div><ul id="gs_settings_account_links"><li><a href="https://accounts.google.com/Login?hl=ca&continue=https://scholar.google.com/scholar_settings%3Fsciifh%3D1%26hl%3Dca%26as_sdt%3D0,5%233" class="gs_settings_account_link">Inicia la sessió</a></li><li><a href="/citations?view_op=delete_account_options&continue=https://scholar.google.com/scholar_settings%3Fsciifh%3D1%26hl%3Dca%26as_sdt%3D0,5%233&hl=ca&oi=settings" class="gs_settings_account_link">Eliminació o recuperació del vostre compte de Google Acadèmic</a></li></ul></div></div><div class="gs_settings_section"><h3><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="boi_access" id="gs_boi_access" value="1" checked><label for="gs_boi_access">Enllaços d'accés amb la sessió tancada i des de fora del campus</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></h3><input type="hidden" name="has_boo_access" value="1"><input type="hidden" name="has_casa_opt_in" value="1"><div class="gs_settings_value"><span style="margin-right:24px">Utilitza les meves subscripcions de la biblioteca vàlides dins del campus per activar enllaços que es facin servir des de fora del campus.</span><a class="gs_settings_learn_more" href="/intl/en/scholar/help.html#access">Més informació</a></div></div></div><div class="gs_settings_panel" role="tabpanel" aria-labelledby="gs_settings_tab_extensions" id="gs_settings_pnl_promos"><div class="gs_settings_section"><style>#gs_ext_promo_ping{position:absolute;top:0;left:0;width:1px;height:1px;}.gs_el_ta #gs_top #gsr_promo,.gs_el_ph #gs_top 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height="13.2425" transform="rotate(30 15.6212 14.9478)" fill="#76a7fa"/></svg><p>Lector de PDF de Google Acadèmic</p></div></div><div id="gsr_promo_body"><div id="gsr_promo_reader"><div id="gsr_promo_reader_tb"><div id="gsr_promo_reader_tb_icons"><svg viewBox="0 0 6 6"><path d="M0.8 1.3H2.5V2.9L1.9 4.1L1.7 4.0L2.2 3.0H0.8V1.3Z"/><path d="M3 1.3H4.6V2.9L4 4.1L3.8 4.0L4.3 3.0H3.0V1.3Z"/></svg><svg viewBox="0 0 6 6"><path d="M3.7 3.2V3.8H1.2V3.2H0.8V3.8C0.8 4 1 4.2 1.2 4.2H3.7C4 4.2 4.1 4 4.1 3.8V3.2H3.7ZM3.5 2.4L3.2 2.1L2.7 2.6V1.0H2.3V2.6L1.7 2.1L1.4 2.4L2.5 3.4L3.5 2.4Z"/></svg><svg viewBox="0 0 6 6"><path d="M4.1 1.7V1.1H2.3V1.7H2.0V0.7H4.4V1.7H4.1ZM1.6 2.1C1.6 2.1 1.6 2.1 1.6 2.1C1.7 2.1 1.7 2.1 1.8 2.1H4.6C4.7 2.1 4.7 2.1 4.8 2.1C4.8 2.1 4.8 2.1 4.8 2.1H4.4H2H1.6ZM4.4 2.6C4.5 2.6 4.5 2.6 4.5 2.6C4.6 2.5 4.6 2.5 4.6 2.4C4.6 2.4 4.6 2.3 4.5 2.3C4.5 2.3 4.5 2.2 4.4 2.2C4.3 2.2 4.3 2.3 4.3 2.3C4.2 2.3 4.2 2.4 4.2 2.4C4.2 2.5 4.2 2.5 4.3 2.6C4.3 2.6 4.3 2.6 4.4 2.6ZM4.1 3.9V3.1H2.3V3.9H4.1ZM4.4 4.3H2.0V3.5H1.2V2.3C1.2 2.1 1.3 2 1.4 1.9C1.5 1.8 1.6 1.7 1.7 1.7H4.7C4.8 1.7 5 1.8 5.1 1.9C5.2 2 5.2 2.1 5.2 2.3V3.5H4.4V4.3ZM4.8 3.1V2.3C4.8 2.3 4.8 2.2 4.8 2.2C4.7 2.1 4.7 2.1 4.6 2.1H1.8C1.7 2.1 1.7 2.1 1.6 2.2C1.6 2.2 1.6 2.3 1.6 2.3V3.1H2V2.7H4.4V3.1H4.8Z"/></svg></div></div><div id="gsr_promo_reader_body"><div id="gsr_promo_reader_nav"><div id="gsr_promo_reader_nav_ot"><div class="gsr_promo_nav_line gsr_promo_nav_line_short"></div><div class="gsr_promo_nav_line gsr_promo_nav_line_long"></div><div id="gsr_promo_reader_nav_ot_dropdown"><svg viewBox="0 0 21 21"><path d="M15.498 8.561L14.5015 7.43988L10.4998 10.997L6.49805 7.43988L5.5015 8.561L10.4998 13.0039L15.498 8.561Z"/></svg><div class="gsr_promo_nav_line gsr_promo_nav_line_short"></div></div><div class="gsr_promo_nav_line gsr_promo_nav_line_long"></div><div class="gsr_promo_nav_line gsr_promo_nav_line_short"></div></div></div><div id="gsr_promo_reader_page"><div class="gsr_promo_page_para"><div class="gsr_promo_page_line"><div id="gsr_promo_citation_1"><div class="gsr_promo_citation">[1]</div></div></div><div class="gsr_promo_page_line"></div><div id="gsr_promo_line_end_1" class="gsr_promo_page_line"></div></div><div class="gsr_promo_page_para"><div class="gsr_promo_page_line"></div><div class="gsr_promo_page_line"><div id="gsr_promo_citation_2"><div class="gsr_promo_citation">[2]</div></div></div><div id="gsr_promo_line_end_2" class="gsr_promo_page_line"></div></div><div class="gsr_promo_page_para" id="gsr_promo_page_last_para"><div class="gsr_promo_page_line"></div><div class="gsr_promo_page_line"></div><div id="gsr_promo_line_end_3" class="gsr_promo_page_line"><div id="gsr_promo_citation_3"><div class="gsr_promo_citation">[1]</div></div></div></div></div></div><div id="gsr_promo_page_blur"></div></div><div id="gsr_promo_des"><div class="gsr_promo_des_item"><div class="gsr_promo_des_item_icon"><svg viewBox="0 0 18 18" fill="#4d90fe"><path d="M8.1 12.6H5.4C4.4 12.6 3.55 12.25 2.85 11.55C2.15 10.85 1.8 10 1.8 9C1.8 8 2.15 7.15 2.85 6.45C3.55 5.75 4.4 5.4 5.4 5.4H8.1V6.75H5.4C5 6.75 4 7 4 7.5C3.5 8 3.15 8.375 3.15 9C3.15 9.625 3.5 10 4 10.5C4 11.5 5 11.25 5.4 11.25H8.1V12.6ZM6.3 9.675V8.325H11.7V9.675H6.3ZM9.9 12.6V11.25H12.6C13.2 11.25 13.75 11.5 14 10.5C14.5 10 14.85 9.625 14.85 9C14.85 8.375 14.5 8 14 7.5C13.75 7 13.2 6.75 12.6 6.75H9.9V5.4H12.6C13.6 5.4 14.45 5.75 15.15 6.45C15.85 7.15 16.2 8 16.2 9C16.2 10 15.85 10.85 15.15 11.55C14.45 12.25 13.6 12.6 12.6 12.6H9.9Z"/></svg></div><div class="gsr_promo_des_item_txt">Segueix les referències</div></div><div class="gsr_promo_des_item"><div class="gsr_promo_des_item_icon"><svg viewBox="0 0 18 18" fill="#777"><path d="M3 6.75C3.5 6.75 3.75 6.5 3.75 6C3.75 5.5 3.5 5.25 3 5.25C2.5 5.25 2.25 5.5 2.25 6C2.25 6.5 2.5 6.75 3 6.75ZM3.75 9C3.75 9.5 3.5 9.75 3 9.75C2.5 9.75 2.25 9.5 2.25 9C2.25 8.5 2.5 8.25 3 8.25C3.5 8.25 3.75 8.5 3.75 9ZM3.75 12C3.75 12.5 3.5 12.75 3 12.75C2.5 12.75 2.25 12.5 2.25 12C2.25 11.5 2.5 11.25 3 11.25C3.5 11.25 3.75 11.5 3.75 12ZM15.75 9.75H5.25V8.25H15.75V9.75ZM5.25 12.75H15.75V11.25H5.25V12.75ZM5.25 6.75V5.25H15.75V6.75H5.25Z"/></svg></div><div class="gsr_promo_des_item_txt">Dona una ullada a l'esquema</div></div><div class="gsr_promo_des_item"><div class="gsr_promo_des_item_icon"><svg viewBox="0 0 18 18" fill="#777"><path d="M2 4.5H8V10.5L6 14.5L5.25 14.5L7.5 11H2V4.5Z"/><path d="M10 4.5H16V10.5L13.75 14.5L13 14.5L14.7405 11H10V4.5Z"/></svg></div><div class="gsr_promo_des_item_txt">Cita i desa</div></div></div></div><h3 class="gs_promos_header">Llegeix fàcilment els articles en PDF</h3><p class="gs_promos_info">El lector de Google Acadèmic no està disponible per a aquest navegador. Funciona amb les versions recents de <a href="https://chromewebstore.google.com/detail/google-scholar-pdf-reader/dahenjhkoodjbpjheillcadbppiidmhp?hl=ca&utm_medium=web&utm_source=scholar&utm_campaign=st">Chrome</a> en ordinadors.</p></div><div id="gsb_promo" data-trk="/scholar_gsb_promo_trk?hl=ca&ei=_QRjZ6zrF_aT6rQP_ruH8AE&loc=settings"><div id="gsb_promo_header"><div id="gsb_promo_title"><svg viewBox="-7.5 -7.5 35 35"><path d="M10 0L20 7.91667L10 15.8333L0 7.91667L10 0Z" fill="#4285f4"/><path opacity="0.2" d="M20 7.91667L10 0V15.8333L20 7.91667Z" fill="black"/><path d="M15.8333 14.1668C15.8333 17.3876 13.2208 20.0001 9.99997 20.0001C6.77914 20.0001 4.16664 17.3876 4.16664 14.1668C4.16664 10.9459 6.77914 8.33344 9.99997 8.33344C13.2208 8.33344 15.8333 10.9459 15.8333 14.1668Z" fill="#a0c3ff"/><path d="M15.2708 11.6668C14.3354 9.69594 12.3271 8.33344 9.99999 8.33344C7.67291 8.33344 5.66457 9.69594 4.72916 11.6668H15.2708Z" fill="#76a7fa"/></svg><p>Botó de Google Acadèmic</p></div></div><div id="gsb_promo_body"><div id="gsb_promo_sb"><div id="gsb_promo_sb_nav"><svg viewBox="0 0 21 20"><path fill="#474747" d="m7.646 10.875 4.083 4.063-1.229 1.229L4.333 10 10.5 3.833l1.23 1.23-4.084 4.062h9.02v1.75h-9.02Z"/></svg><svg viewBox="0 0 21 20"><path d="M13.3542 10.875H4.33334V9.125H13.3542L9.27084 5.0625L10.5 3.83333L16.6667 10L10.5 16.1667L9.27084 14.9375L13.3542 10.875Z" fill="#1f1f1f" fill-opacity="0.38"/></svg><svg viewBox="0 0 21 20"><path d="M10.4792 16.1667C8.77085 16.1667 7.31252 15.5694 6.10419 14.375C4.90974 13.1667 4.31252 11.7083 4.31252 10C4.31252 8.29167 4.90974 6.84028 6.10419 5.64583C7.31252 4.4375 8.77085 3.83333 10.4792 3.83333C11.4097 3.83333 12.2709 4.02778 13.0625 4.41667C13.8542 4.79167 14.5347 5.30555 15.1042 5.95833V3.83333H16.6875V9.08333H11.4375V7.5H14.1459C13.7431 6.90278 13.2222 6.43055 12.5834 6.08333C11.9445 5.73611 11.2431 5.5625 10.4792 5.5625C9.24308 5.5625 8.19447 5.99306 7.33335 6.85417C6.47224 7.71528 6.04169 8.76389 6.04169 10C6.04169 11.2361 6.47224 12.2847 7.33335 13.1458C8.19447 14.0069 9.24308 14.4375 10.4792 14.4375C11.632 14.4375 12.6181 14.0625 13.4375 13.3125C14.257 12.5486 14.7292 11.6111 14.8542 10.5H16.625C16.5 12.0972 15.8472 13.4444 14.6667 14.5417C13.5 15.625 12.1042 16.1667 10.4792 16.1667Z" fill="#474747"/></svg></div><div id="gsb_promo_sb_website"><div id="gsb_promo_sb_website_name">example.edu/paper.pdf</div><svg viewBox="0 0 20 20"><path fill="#474747" d="M7.438 13.77 10 12.23l2.583 1.54-.687-2.895 2.25-1.917-2.959-.25L10 5.958l-1.188 2.75-2.958.25 2.271 1.917-.688 2.896Zm-2.625 3.584 1.375-5.833-4.584-3.917 6.021-.52L10 1.583l2.375 5.52 6.02.5-4.582 3.917 1.374 5.833L10 14.25l-5.188 3.104Z"/></svg></div><svg viewBox="0 0 20 20"><path d="M9.5 0L19.5 7.91667L9.5 15.8333L-0.5 7.91667L9.5 0Z" fill="#4285f4"/><path opacity="0.2" d="M19.5 7.91667L9.5 0V15.8333L19.5 7.91667Z" fill="black"/><path d="M15.3333 14.1668C15.3333 17.3876 12.7208 20.0001 9.49996 20.0001C6.27913 20.0001 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Funciona amb les versions recents de <a href="https://chrome.google.com/webstore/detail/google-scholar-button/ldipcbpaocekfooobnbcddclnhejkcpn?hl=ca&utm_medium=web&utm_source=scholar&utm_campaign=st">Chrome</a> i <a href="https://addons.mozilla.org/ca/firefox/addon/google-scholar-button/">Firefox</a> en ordinadors.</p></div></div></div><div id="gs_settings_buttons"><button type="submit" name="save" class=" gs_btn_act gs_btn_lsb"><span class="gs_wr"><span class="gs_lbl">Desa</span></span></button><button type="button" onclick="window.location='/schhp?hl\x3dca\x26as_sdt\x3d0,5'" class=" gs_btn_lsb"><span class="gs_wr"><span class="gs_lbl">Cancel·la</span></span></button><p class="gs_gray">Per conservar la configuració, heu d'activar les <a href="//support.google.com/accounts/answer/61416?hl=ca">galetes</a></p></div></div></div></div></form><div id="gs_ftr_sp" role="presentation"></div><div id="gs_ftr" class="gs_md_rmb" role="contentinfo"><div id="gs_ftr_rt"><a href="//www.google.com/intl/ca/policies/privacy/">Privadesa</a><a href="//www.google.com/intl/ca/policies/terms/">Condicions</a><a href="javascript:void(0)" ontouchstart="gs_evt_dsp(event)" role="button" aria-controls="gs_ftr_mnu" aria-haspopup="true" class="gs_press gs_md_tb">Ajuda</a></div><div id="gs_ftr_mnu" class="gs_md_d gs_md_ds gs_ttzi gs_md_ulr" role="menu" tabindex="-1"><a role="menuitem" href="/intl/ca/scholar/about.html" tabindex="-1" class="gs_md_li">Sobre Google Acadèmic</a><a role="menuitem" href="//support.google.com/websearch?p=scholar_dsa&hl=ca" tabindex="-1" class="gs_md_li">Cerca a l'ajuda</a></div></div></div></body></html>