New directions in the theory of graphs :  proceedings / 
edited by Frank Harary 
 - New York :  Academic Press,  c1973 
 - xii, 325 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label> USD 14.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graph theory--Congresses
<br/><br/><label>Dewey Class. No.: </label>512.5082