Liu,C.L <br/><br/>
Introducation to Combinatiorial mathematics/ 
C.L Liu 
 - New York:  Mc Graw Hall  1968 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>070381240 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>511.64  / LIU