North,Stephen <br/><br/>
Graph drawing / 
North,Stephen. 
 - Symposium on graph d 
 - Berlin:  Springer,  1991. 
 - xi,408p;26cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>3540624953 
<br/><br/><label>Dewey Class. No.: </label>006.6 NOR