added paper citation

Philip Guo · Philip Guo · commit 3de10c93ffb1 · 2013-07-06T21:52:55.000-04:00
diff --git a/v3/index.html b/v3/index.html
@@ -108,16 +108,19 @@ <h1><span id="learnHeading">LEARN</span> <span class="smallH1">programming by vi
 <ul>
 
 <li/> <b><a href="https://vimeo.com/69813732">Watch</a></b> an 8-minute
-introductory presentation from a conference in March 2013.</p>
+introductory presentation from a conference in March 2013.
 
 <li/> <b><a
 href="http://www.youtube.com/watch?v=nc1A7Ywzkpg&feature=plcp">Watch</a></b>
 a 16-minute video demo and interview with UC Berkeley's intro CS course
-instructor.</p>
+instructor.
 
 <li/> <b><a
 href="http://pgbovine.net/projects/pubs/guo-sigcse-preprint_2012-11-13.pdf">Read</a></b>
-my SIGCSE 2013 research paper.</p>
+the research paper -- Philip J. Guo. Online Python Tutor: Embeddable
+Web-Based Program Visualization for CS Education.<br/> In <i>Proceedings
+of the ACM Technical Symposium on Computer Science Education
+(SIGCSE)</i>, March 2013.
 
 </ul>
 
