New directions in the theory of graphs:  proceedings/ 
edited by Frank Harary. 
 - New York:  Academic Press,  1973. 
 - xii, 325 p.:  illus.,  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>012324255X 
<br/><br/><label>LCCN: </label>72077368 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graph theory---Congresses.
<br/><br/><label>Dewey Class. No.: </label>511.5  / N532