--- a/projects.html	Thu Dec 15 18:51:30 2011 +0000
+++ b/projects.html	Mon Dec 19 23:04:44 2011 +0000
@@ -257,7 +257,8 @@
 
   <p>
   <B>Literature:</B>
-  Central to this project is the paper <A HREF="http://www.dcc.fc.up.pt/~nam/publica/ijcs08.pdf">here</A>.
+  Central to this project are the papers <A HREF="http://www.dcc.fc.up.pt/~nam/publica/ijcs08.pdf">here</A>
+  and <A HREF="http://www.dcc.fc.up.pt/~nam/publica/51480046.pdf">here</A>.
   Other methods have been described, for example, 
   <A HREF="http://www4.informatik.tu-muenchen.de/~krauss/papers/rexp.pdf">here</A>.
   A relatively complicated method, based on automata, is described 
@@ -271,7 +272,7 @@
 
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+Last modified: Mon Dec 19 22:33:09 GMT 2011
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