Liu, C. L.  1934- <br/><br/>
Introduction to combinatorial mathematics/ 
C. L. Liu. 
 - New York:  McGraw-Hill,  [1968]. 
 - x, 393 p.:  illus.,  23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>68022763 //r86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis.
<br/><br/><label>Dewey Class. No.: </label>511.6  / L783i