Trudeau, Richard J.  . <br/><br/>
Introduction to graph theory /  
by Richard J. Trudeau. 
 - New York :   Dover Publications, Inc ,   1993 
 - 208p ;  
<br/><br/><label>ISBN: </label>0-486-67870-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B23:6  / N3