diff --git a/chrome/content/zotero/about.xul b/chrome/content/zotero/about.xul
index bf78224b1..2560ac8be 100644
--- a/chrome/content/zotero/about.xul
+++ b/chrome/content/zotero/about.xul
@@ -265,12 +265,13 @@
 		</vbox>
 		<label class="subhead" value="&zotero.about.additionalSoftware;"/>
 		<vbox class="subcontent">
+			<label class="text-link" href="http://citationstyles.org/" value="CitationStyles.org (Citation Style Language)"/>
+			<label class="text-link" href="http://gsl-nagoya-u.net/http/pub/citeproc-doc.html" value="citeproc-js (CSL processor)"/>
 			<label class="text-link" href="http://www.famfamfam.com/lab/icons/silk/" value="famfamfam (small icons)"/>
 			<label class="text-link" href="http://simile.mit.edu/timeline/" value="SIMILE Project (Timeline)"/>
 			<label class="text-link" href="http://tango.freedesktop.org/Tango_Desktop_Project" value="Tango Desktop Project (pref icons)"/>
 			<label class="text-link" href="http://tinymce.moxiecode.com/" value="TinyMCE (rich-text editing)"/>
 			<label class="text-link" href="http://www.dbai.tuwien.ac.at/user/pollak/webpagedump/" value="WebPageDump (snapshot code)"/>
-			<label class="text-link" href="http://xbiblio.sourceforge.net/" value="XBiblio (Citation Style Language)"/>
 			<label class="text-link" href="http://www.foolabs.com/xpdf/" value="Xpdf (pdftotext)"/>
 		</vbox>
 		<label class="subhead" value="&zotero.executiveProducer;"/>
diff --git a/chrome/content/zotero/xpcom/citeproc.js b/chrome/content/zotero/xpcom/citeproc.js
index 5afb4bce5..292db4126 100644
--- a/chrome/content/zotero/xpcom/citeproc.js
+++ b/chrome/content/zotero/xpcom/citeproc.js
@@ -1,3 +1,51 @@
+/*
+ * Copyright (c) 2009 and 2010 Frank G. Bennett, Jr. All Rights
+ * Reserved.
+ *
+ * The contents of this file are subject to the Common Public
+ * Attribution License Version 1.0 (the “License”); you may not use
+ * this file except in compliance with the License. You may obtain a
+ * copy of the License at:
+ *
+ * http://bitbucket.org/fbennett/citeproc-js/src/tip/LICENSE.
+ *
+ * The License is based on the Mozilla Public License Version 1.1 but
+ * Sections 14 and 15 have been added to cover use of software over a
+ * computer network and provide for limited attribution for the
+ * Original Developer. In addition, Exhibit A has been modified to be
+ * consistent with Exhibit B.
+ *
+ * Software distributed under the License is distributed on an “AS IS”
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is the citation formatting software known as
+ * "citeproc-js" (an implementation of the Citation Style Language
+ * [CSL]), including the original test fixtures and software located
+ * under the ./std subdirectory of the distribution archive.
+ *
+ * The Original Developer is not the Initial Developer and is
+ * __________. If left blank, the Original Developer is the Initial
+ * Developer.
+ *
+ * The Initial Developer of the Original Code is Frank G. Bennett,
+ * Jr. All portions of the code written by Frank G. Bennett, Jr. are
+ * Copyright (c) 2009 and 2010 Frank G. Bennett, Jr. All Rights Reserved.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU Affero General Public License (the [AGPLv3]
+ * License), in which case the provisions of [AGPLv3] License are
+ * applicable instead of those above. If you wish to allow use of your
+ * version of this file only under the terms of the [AGPLv3] License
+ * and not to allow others to use your version of this file under the
+ * CPAL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the
+ * [AGPLv3] License. If you do not delete the provisions above, a
+ * recipient may use your version of this file under either the CPAL
+ * or the [AGPLv3] License.”
+ */
+
 if (!Array.indexOf) {
 	Array.prototype.indexOf = function (obj) {
 		var i, len;
@@ -1384,7 +1432,7 @@ CSL.dateParser = function (txt) {
 };
 CSL.Engine = function (sys, style, lang, xmlmode) {
 	var attrs, langspec, localexml, locale;
-	this.processor_version = "1.0.18";
+	this.processor_version = "1.0.19";
 	this.csl_version = "1.0";
 	this.sys = sys;
 	this.sys.xml = new CSL.System.Xml.Parsing();
@@ -7848,4 +7896,4 @@ CSL.getModes = function () {
 CSL.Registry.CitationReg = function (state) {
 	this.citationById = {};
 	this.citationByIndex = [];
-};
\ No newline at end of file
+};