Wallis, W D <br/><br/>
A Beginner's Guide To Graph Theory / 
W D Wallis 
 - 2nd Ed. 
 - Boston:  Birkhauser,  2011. 
 - 260p 
<br/><br/><label>ISBN: </label>9788184898064 
<br/><br/><label>Dewey Class. No.: </label>511.5  / WAL/B