Berge, C. <br/><br/>
Principles of combinatorics 
by C. Berge 
 - New York  Academic Press  c1971 
 - vii,178p.; 23cm. 
 - A series of monographs and textbooks .
<br/><br/> This is vol. 72 in mathematics in science and engineering 
<br/><br/><label>Dewey Class. No.: </label>511.6  / BER