Bona, Miklos <br/><br/>
Walk through combinatorics  An introduction to enumeration and graph theory 
by Miklos Bona 
 - 3rd ed 
 - New Jersey  World scientific  2002 
 - xviii, 550p 
<br/><br/><label>ISBN: </label>9789814460002 
<br/><br/><label>Dewey Class. No.: </label>511.6  / P021;1 (MA)