Bender, Edward A. <br/><br/>
Foundations of combinatorics with applications 

 - New York  Dover Publications  2006 
 - x, 467 
<br/><br/> Appendix included. Index included.  
<br/><br/><label>ISBN: </label>0486446034 
<br/><br/><label>Universal Decimal Class. No.: </label>519.1  / B25