Graph theory and theoretical physics /ed. by Frank Harary   
ed. by Frank Harary 
 - London  Academic Press  1967 
 - xv, 358p., incl ind. 
<br/><br/><label>LCCN: </label>67-28002 
<br/><br/><label>Dewey Class. No.: </label>511.502453  / N67