Add A4 postscript since we have it.

www/pubs.html

@@ -26,7 +26,8 @@
 	Shashi Guruprasad, Leigh Stoller, Mike Hibler, Jay Lepreau;
 	to appear as SIGCOMM 2003 Poster Abstract, August 2003.
         (<a href="http://www.cs.utah.edu/flux/papers/scaling-sigcomm03/posterabs.pdf">PDF</a>,
-         <a href="http://www.cs.utah.edu/flux/papers/scaling-sigcomm03/posterabs.ps">Postscript</a>)
+         <a href="http://www.cs.utah.edu/flux/papers/scaling-sigcomm03/posterabs.ps">Postscript</a>,
+         <a href="http://www.cs.utah.edu/flux/papers/scaling-sigcomm03/posterabs-a4.ps">A4 Postscript</a>)
 	<p>
 
 <li> <img src="/new.gif" alt="&lt;NEW&gt;">