Wilson,Robin J <br/><br/>
Introduction to graph theory 

 - 4th ed. 
 - Delhi  Pearson Education  1972 
 - viii,171p.  pb  22cm. 
<br/><br/><label>ISBN: </label>8178086352 
<br/><br/><label>Dewey Class. No.: </label>511.5  / WIL