Berman, Gerald. <br/><br/>
Introduction to combinatorics 
[by] Gerald Berman and K. D. Fryer. 
 - New York,  Academic Press  [1972] 
 - xiii, 300 p.  illus.  25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0120927500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis.
<br/><br/><label>LC Class. No.: </label>QA164  / .B48 1972 
<br/><br/><label>Dewey Class. No.: </label>511/.6