<?xml version="1.0"?>
<dblp>
<inproceedings key="conf/its/AlevenMSK06" mdate="2006-06-26">
<author>Vincent Aleven</author>
<author>Bruce M. McLaren</author>
<author>Jonathan Sewall</author>
<author>Kenneth R. Koedinger</author>
<title>The Cognitive Tutor Authoring Tools (CTAT): Preliminary Evaluation of Efficiency Gains.</title>
<pages>61-70</pages>
<year>2006</year>
<crossref>conf/its/2006</crossref>
<booktitle>Intelligent Tutoring Systems</booktitle>
<ee>http://dx.doi.org/10.1007/11774303_7</ee>
<url>db/conf/its/its2006.html#AlevenMSK06</url>
</inproceedings>
</dblp>
