Graver, J.E & Watkins, M.E <br/><br/>
Combinatorics with emphasis on the theory of graphs 
J.E. Graver & M.E. Watkins 
 - New York  Springer  1977 
 - xv  351 
 - Graduate texts in mathematics-54 .
<br/><br/><label>ISBN: </label>0540902457 
<br/><br/><label>Dewey Class. No.: </label>2.08  / GRAV