"Grimaldi, , Ralph P." <br/><br/>
Discrete and Combinatori 

 - Third 
 - New York  Addison Wesley  1994 
 - "xvi, I-16" 
<br/><br/><label>ISBN: </label>9.78E+12 
<br/><br/><label>Dewey Class. No.: </label>511  / 6 GRI