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import {
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Component,
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ElementRef,
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Inject,
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Input,
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OnDestroy,
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OnInit,
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RendererFactory2,
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ViewEncapsulation
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} from '@angular/core';
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import {ActivatedRoute} from '@angular/router';
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import {Citation, CitationData} from './citation.class';
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import {ResultLandingInfo} from "../../../utils/entities/resultLandingInfo";
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import {DOCUMENT} from "@angular/common";
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declare var CSL: any;
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declare var Sys: any;
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declare var UIkit: any;
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//<citeThis ></citeThis>
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@Component({
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selector: 'citeThis',
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template: `
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<div class="uk-padding">
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<mat-form-field class="matSelectionFormField uk-width-1-1">
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<mat-label>Select a citation style</mat-label>
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<mat-select class="matSelection" id="citations" name="citeselect" [(ngModel)]="selectedStyle"
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(ngModelChange)="styleChanged()"
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[disableOptionCentering]="true"
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panelClass="matSelectionPanel">
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<mat-option *ngFor=" let style of this.citation.templates let i = index"
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[value]="style">{{style}}</mat-option>
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</mat-select>
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</mat-form-field>
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<div *ngIf="selectedStyle">
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<div id="citation" class="box-content uk-margin-small-top uk-overflow-auto uk-padding-small" [innerHTML]=citationText></div>
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<button class="clipboard_btn uk-button uk-button-primary uk-button-small copy uk-margin-small-top uk-icon uk-float-right"
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data-clipboard-target="#citation" title="Copy to clipboard">
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<span class="custom-icon custom-copy-white"></span>
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<span class="uk-margin-small-left">COPY</span>
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</button>
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</div>
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</div>
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`
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})
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export class CiteThisComponent implements OnInit, OnDestroy {
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private sub: any;
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public selectedStyle: string = null;
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public citationText: string;
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public citation: Citation = new Citation();
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// public cite: any;
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@Input() result: ResultLandingInfo;
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@Input() id: string;
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@Input() type: string = "article";
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public citeproc;
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public data;
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public clipboard;
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constructor( @Inject(DOCUMENT) private document, private rendererFactory: RendererFactory2){
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}
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ngOnInit() {
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try{
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if (!this.document.getElementById('citeThisScript')) {
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const renderer = this.rendererFactory.createRenderer(this.document, {
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id: '-1',
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encapsulation: ViewEncapsulation.None,
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styles: [],
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data: {}
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});
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const head = this.document.head;
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if (head === null) {
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throw new Error('<head> not found within DOCUMENT.');
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}
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const script = renderer.createElement('script');
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renderer.setAttribute(script, "id", "citeThisScript");
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renderer.setAttribute(script, "src", "assets/common-assets/citeproc.js");
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renderer.setAttribute(script, "type", "text/javascript");
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renderer.appendChild(head, script);
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}
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setTimeout(() => {
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this.parseData();
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this.selectedStyle = this.citation.templates[0];
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this.updateCitation();
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this.createClipboard();
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}, 800);
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}catch (e) {
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console.error(e)
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}
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}
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ngOnDestroy() {
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delete this.clipboard;
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}
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private createClipboard() {
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if (typeof window !== 'undefined') {
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delete this.clipboard;
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let Clipboard;
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Clipboard = require('clipboard');
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this.clipboard = new Clipboard('.clipboard_btn');
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}
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}
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parseData() {
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var citationData: CitationData = new CitationData();
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if (this.result.identifiers && Array.from(this.result.identifiers.keys()).length > 0) {
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var keys = Array.from(this.result.identifiers.keys());
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for (var i = 0; i < keys.length; i++) {
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if (keys[i] == "doi") {
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var ids = this.result.identifiers.get(keys[i]);
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for (var j = 0; j < ids.length; j++) {
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citationData.DOI = ids[j];
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break;
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}
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}
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}
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}
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citationData.id = this.id;
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if (this.result.types != undefined && this.result.types.length > 0 && this.result.types[0]) {
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citationData.type = this.result.types[0].toLowerCase();
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}
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if (this.result.title) {
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citationData.title = this.result.title;
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}
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if (this.result.publisher) {
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citationData.publisher = this.result.publisher;
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}
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if (this.result.authors) {
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citationData.author = [];
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var max_length = (this.result.authors.length > 10) ? 10 : this.result.authors.length;
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for (var i = 0; i < max_length; i++) {
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if (this.result.authors[i] && this.result.authors[i].fullName && this.result.authors[i].fullName.indexOf(", ") !== -1) {
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citationData.author.push({
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given: this.result.authors[i].fullName.split(", ")[1],
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family: this.result.authors[i].fullName.split(", ")[0],
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'parse-names': true
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});
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} else {
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citationData.author.push({given: "", family: this.result.authors[i].fullName, 'parse-names': true});
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}
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// citationData.authors.push(this.result.authors[i]);
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}
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}
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if (this.result.dateofacceptance != undefined) {
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citationData.issued = {};
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var date: string = (this.result.dateofacceptance.getFullYear()) + ""; // transform to string in case it is an integer
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var dateArray: string[] = (date && (date).indexOf('-') !== -1) ? [date.split('-')[0]] : [date];
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if (dateArray.length < 3) {
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// dateArray.push[1];
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// dateArray.push[1];
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}
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citationData.issued = {"date-parts": [["" + dateArray[0]]]};
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if (this.result.date) {
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citationData.date = this.result.date;
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}
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if (this.result.journal) {
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if (this.result.journal.journal) {
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citationData["container-title"] = this.result.journal.journal;
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}
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if (this.result.journal.issn) {
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citationData.ISSN = this.result.journal.issn;
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}
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if (this.result.journal.issue) {
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citationData.issue = this.result.journal.issue;
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}
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citationData.type = "article-journal"; // in case of APA volume and pages appear only in specific types not just article
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if (this.result.journal.volume) {
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citationData.volume = this.result.journal.volume;
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}
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if (this.result.journal["start_page"] && this.result.journal["end_page"]) {
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citationData.page = this.result.journal["start_page"] + "-" + this.result.journal["end_page"];
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}
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}
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}
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this.data = citationData;
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// console.log(this.data);
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}
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styleChanged() {
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this.updateCitation();
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}
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updateCitation() {
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var Sys =
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function Sys(lang, data) {
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this.lang = lang;
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this.data = data;
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this.changeName = function (name) {
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this.lastName = name;
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};
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this.retrieveLocale = function (lang) {
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return this.lang;
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}
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this.retrieveItem = function (id) {
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return this.data;
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}
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};
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try {
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var citeproc = new CSL.Engine(new Sys(this.citation.locale, this.data), this.citation[(this.selectedStyle == "0") ? this.citation.templates[0] : this.selectedStyle]);
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citeproc.updateItems([this.data.id]);
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this.citationText = citeproc.makeBibliography();
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this.citationText = ((this.citationText != null) && (this.citationText.length > 1) && (this.citationText[1].length > 0)) ? this.citationText[1][0] : '';
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}catch (e) {
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}
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}
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}
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