Wilson, Robin J. <br/><br/>
Introduction to graph theory/ 
Robin J. Wilson 
 - 4th ed. 
 - New Delhi: Pearson Education  c1996 
 - viii, 171p. 24cm. 
<br/><br/><label>ISBN: </label>9788131706985 
<br/><br/><label>Dewey Class. No.: </label>511.5