Harary, Frank. <br/><br/>
Graphical enumeration 
[by] Frank Harary [and] Edgar M. Palmer. 
 - New York,  Academic Press,  1973. 
 - xiv, 271 p.  illus.  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Graph theory  Combinatorial enumeration problems 
<br/><br/><label>Dewey Class. No.: </label>511/.5  / HAR