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<div class="header__items"> <a class="header__item header__item--about" href="/en/about"> About </a> <a class="header__item id-login-button header__item--user" href="/en/users/sign_in/select?url=%2F"> <span class="header__item-text header__login-text">Log in</span> </a> <div id="login-pop-over" class="pop-over js-pop-over" data-for=".id-login-button" data-show="true" data-position="vertical" data-move="true"> <h3 class="pop-over__title">Log in?</h3> <div class="pop-over__content" style="width: 260px;"> <p><strong>DTU users</strong> get better search results including <strong>licensed</strong> content and <strong>discounts</strong> on order fees.</p> <p>Anyone can log in and get personalized features such as favorites, tags and feeds.</p> <p class="pop-over__buttons"> <a class="button button--highlighted" rel="nofollow" data-method="post" href="/users/auth/cas?locale=en&url=%2F">Log in as DTU user</a> <a class="button" href="/en/users/sign_in/select?url=%2F">Log in as non-DTU user</a> 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class="search-field__suggestions__close js-search-field-suggestions-close"></span> <div class="js-search-field-completions"></div> </div> <button type="submit" class="search-field__submit" id="search">Search</button> <div class="pop-over js-pop-over js-search-help-popover" data-for=".js-search-syntax" data-open-class="is-open" data-position="vertical" data-move="true"> <div class="search-help js-search-help"> <table role="menu" aria-labelledby="toggle-search-syntax"> <tbody> <tr> <th>Boolean:</th> <td> <code>(bicycle <strong>AND</strong> helmet) <strong>OR</strong> (head <strong>AND</strong> protection)</code> <small>(always group AND in parenthesis)</small> </td> </tr> <tr> <th>Title:</th> <td><code><strong>title:</strong>(climate change)</code></td> </tr> <tr> <th>Author:</th> <td> <code><strong>author:("</strong>bohr niels<strong>" OR "</strong>bohr n<strong>")</strong></code> <small>(avoid only full first name)</small> </td> </tr> <tr> <th>Phrase:</th> <td> <code><strong>"</strong>water pump control<strong>"</strong></code> <small>(does not work with wildcards)</small> </td> </tr> <tr> <th>Wildcards:</th> <td> <code>wom<strong>?</strong>n pharm<strong>*</strong></code> </td> </tr> </tbody> </table> </div> <p class="pop-over__more"> <a href="/en/about/searching" class="link link--arrow">More help on how to search</a> </p> </div> </div> </form> <div class="search-field__actions"> <span class="js-search-field-mode search-field__dropdown search-field__mode">Flexible matching</span> <div class="pop-over js-pop-over" data-for=".js-search-field-mode" data-open-class="is-open" data-position="vertical" data-move="true"> <ul class="pop-over__menu is-selectable" style="max-width: 330px;"> <li><a href="#" class="js-search-field-mode-option is-selected" data="flexible"> <strong>Flexible matching</strong> <span class="pop-over__menu-text">Ignore word endings. <code>water</code> will find <code>waters</code> and <code>watering</code> etc.</span> </a></li> <li><a href="#" class="js-search-field-mode-option " data="exact"> <strong>Exact matching</strong> <span class="pop-over__menu-text">Only search for exact words. Search for variations: <code>wom?n</code> finds <code>woman</code> and <code>women</code> while <code>woman*</code> finds <code>woman</code> and <code>womanhood</code>.</span> </a></li> </ul> <p class="pop-over__more"> <a href="/en/about/searching" class="link link--arrow">About search syntax</a> </p> </div> <span class="search-field__space"></span> <a href="#" class="js-search-syntax search-field__dropdown"><span class="symbol symbol--help"></span>S<span class="search-field__syntax-hack">earch s</span>yntax</a> <a href="#" class="js-search-field-build search-field__dropdown" data-name="toggle-advanced-search">Advanced</a> </div> <div class="search-builder" data-vue="/assets/vue.min-13af98622f564f35ac5dd93701ab6512713e8cca72aabcda0a875c4ded7744f7.js"> <a class="search-builder__close" v-on:click="close($event)" href="#">Close <span>advanced</span></a> <div class="search-builder__body" v-bind:class="'is-' + mode"> <div v-for="problem in problems" class="search-builder__problem">{{problem}}</div> <div class="search-builder__modes"> <span v-on:click="changeMode('fields')" v-bind:class="{ 'is-selected': mode == 'fields' }">By field</span> <span v-on:click="changeMode('boolean')" v-bind:class="{ 'is-selected': mode == 'boolean' }">Using AND/OR</span> <span v-on:click="changeMode('author')" v-bind:class="{ 'is-selected': mode == 'author' }">By author</span> </div> <div class="search-builder__box"> <div class="search-builder__fields"> <div class="search-builder__field"> <label>Types</label> <span class="search-builder__checkbox"> <input type="checkbox" value="article" v-model="fields.type" id="article_type" v-on:focus="makeFocused($event)"> <label for="article_type">Article</label> </span> <span class="search-builder__checkbox"> <input type="checkbox" value="book" v-model="fields.type" id="book_type" v-on:focus="makeFocused($event)"> <label for="book_type">Book</label> </span> <span class="search-builder__checkbox"> <input type="checkbox" value="journal" v-model="fields.type" id="journal_type" v-on:focus="makeFocused($event)"> <label for="journal_type">Journal</label> </span> <span class="search-builder__checkbox"> <input type="checkbox" value="thesis" v-model="fields.type" id="thesis_type" v-on:focus="makeFocused($event)"> <label for="thesis_type">Thesis</span> </span> <span class="search-builder__checkbox"> <input type="checkbox" value="data" v-model="fields.type" id="data_type" v-on:focus="makeFocused($event)"> <label for="data_type">Data</span> </span> <span class="search-builder__checkbox"> <input type="checkbox" value="other" v-model="fields.type" id="other_type" v-on:focus="makeFocused($event)"> <label for="other_type">Other</span> </span> </div> <div class="search-builder__field"> <label>All</label> <input class="form__input" v-model="fields.all" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--large"> <label>Title</label> <input class="form__input" v-model="fields.title" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--small"> <label>Year</label> <input class="form__input" v-model="fields.year" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--medium"> <label>Abstract</label> <input class="form__input" v-model="fields.abstract" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--medium"> <label>Journal</label> <input class="form__input" v-model="fields.journal" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--small"> <label>Author</label> <input class="form__input" v-model="fields.author" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--small"> <label>Supervisor</label> <input class="form__input" v-model="fields.supervisor" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--small"> <label>ORCID</label> <input class="form__input" v-model="fields.orcid" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--small"> <label>ISSN</label> <input class="form__input" v-model="fields.issn" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--small"> <label>ISBN</label> <input class="form__input" v-model="fields.isbn" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--small"> <label>DOI</label> <input class="form__input" v-model="fields.doi" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> </div> <div class="search-builder__boolean"> <div class="search-builder__intro" v-if="ands.length == 0"> This tool can help you build boolean queries suitable for doing a broad search for different synonyms or spellings of each word. Start via the drop-down below or just start typing in the search field. </div> <div> <div v-for="(row, index) in ands" class="search-builder__and"> <span class="search-builder__check" v-bind:class="{'is-checked':row.enabled}" v-on:click="toggleAnd(row)"></span> <span class="search-builder__type" v-bind:class="{'is-unknown': !row.known}"> {{ row.typeTitle }}: <select tabindex="-1" v-model="row.type" v-on:focus="makeFocused($event)" v-on:change="prefixChanged"> <option v-bind:value="row.type" v-if="!row.known">{{row.type}}</option> <option v-for="option in fieldOptions" v-bind:value="option.value"> {{ option.text }} </option> </select> </span> <span class="search-builder__parenthesis">(</span> <span v-for="obj in row.values" class="search-builder__or"> <input v-model="obj.value" :style="'width:' + obj.width + 'px'" v-on:blur="clean" class="search-builder__input" v-on:keydown="keyDownInTerm($event)" v-on:input="termChange(obj, row)" v-on:focus="makeFocused($event)"/> </span> <span class="search-builder__parenthesis">)</span> <span v-on:click="removeRow(index)" class="search-builder__remove"></span> </div> </div> <div class="form__select search-builder__add-and"> <select v-on:change="addAnd" v-on:keydown="keyDownInAdd($event)"> <option value="">Add field...</option> <option v-for="option in fieldOptions" v-bind:value="option.value"> {{ option.text }} </option> </select> </div> </div> <div class="search-builder__author"> <div class="search-builder__assist"> <p>Since our index often lack the full first name of people it can be difficult to correctly search by author.</p> <p><strong>Fill in the fields and let us help you build a good query:</strong></p> </div> <div class="search-builder__field search-builder__field--medium"> <label>Last name</label> <input class="form__input" v-model="author.lastName" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--medium"> <label>All complete first names</label> <input class="form__input" v-model="author.firstName" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--large"> <label>ORCID</label> <input class="form__input" v-model="author.orcid" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__field search-builder__field--small"> <label>Starting year</label> <input class="form__input" v-model="author.year" v-on:keydown="keyDownInField($event)" v-on:input="fieldChanged($event)" v-on:focus="makeFocused($event)"/> </div> <div class="search-builder__assist"> <p>If you need to find everything possible, consider only searching by last name.</p> <p>Use "Starting year" to ignore publications out of year range.</p> </div> </div> <div class="search-builder__footer"> <button class="button" v-on:click="clear($event)">Reset</button> <button class="button button--highlighted" v-on:click="search($event)" data-name="execute-advanced-search">Search</button> </div> </div> </div> </div> <div class="search-field__bg"><span class="search-field__close js-search-field-close"></span></div> </div> <div class="front__search-query"> <div class="query js-query space__bottom-1 query--hidden"> <p class="query__label">Interpreted as:</p> <p class="query__content js-query-content"> </p> </div> </div> </div> <div class="message__group"> </div> <div class="front__segment front__slogan"> <p class="front__slogan-prefix">A service from</p> <p><a href="http://www.bibliotek.dtu.dk/en" target="_blank">DTU Library</a></p> <p>- the gateway to knowledge and innovation</p> </div> </div> </div> <div class="layout__bottom"> <div id="footer" class="footer"> <div class="footer__body"> <div class="footer__columns"> <div class="footer__branding footer__section"> <a class="footer__logo" href="http://www.bibliotek.dtu.dk"><img src="/assets/dtu_white-5ded0e2569a6f602dc30c930e2dbfb16b936f35ee15b229d7bdf7d0c7e1e1846.svg" /></a> <h5 class="footer__title">DTU Library</h5> </div> <div class="footer__address footer__section"> <h5 class="footer__heading">Address</h5> <p> Anker Engelunds Vej 1 <br/>Building 101D <br/>2800 Kgs. 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