Godsil, C.D. <br/><br/>
Algebraic cominatorics 
C.D. Godsil 
 - New York  Chapman & Hall  1993 
 - xv, 362p. 
 - Chapman and Hall mathematics Series .
<br/><br/><label>ISBN: </label>412041316  2748.90 
<br/><br/><label>Dewey Class. No.: </label>511.6 G549A