Most of the material presented has been obtained  from
Prof. Chau-Wen Tseng at the  University of Maryland and
has been originally developed by Prof. Keith Cooper from Rice University.

We include here  Prof. Cooper's copyright notice:

===== COPYRIGHT NOTICE ======
 
You may use these materials for non-profit educational purposes 
without charge.  This includes activities like leaving a copy on
file at your local xerographic reproduction center for later student
purchase.  I leave them online for students to reference throughout
my course.  
 
I do NOT grant to you the right to publish these materials for profit, 
in either their original or formatted form.  
 
Keith D. Cooper
Rice University
(713) 527 6013
==============================