Harary, Frank. <br/><br/>
Graph theory :  with a foreword and an Appendix on the Four Colour  / 
Harary, Frank. 
 - Reading, Mass.,  Addison-Wesley Pub. Co.  [1969] [Reprent 2001] 
 - ix, 286 p.  illus.  24 cm. 
 - Addison-Wesley series in mathematics .
<br/><br/>Bibliography: p. [237]-262. 
<br/><br/><label>ISBN: </label>8185015554 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graph theory.
<br/><br/><label>Dewey Class. No.: </label>511.5  / HAG