Korfhage, Robert R. <br/><br/>
Discrete computational structures 
by Robert R. Korfhage 
 - New York  Academic  1974 
 - xiii, 381p. 
<br/><br/><label>ISBN: </label>0124208509 
<br/><br/><label>Dewey Class. No.: </label>621.3920151  / N74