Wallis W D <br/><br/>
Introduction to Combinatorics 

 - New York  CRC Press  2011 
 - 380 
<br/><br/><label>ISBN: </label>9781439806227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Introduction to Combinatorics<br/>Wallis W D
<br/><br/><label>Dewey Class. No.: </label>511.6 WAL