Symposium on Combinatorics and Graph Theory, Indian Statistical Instt., Calcutta, Feb. 25-29, 1980 <br/><br/>
Combinatorics and graph theory; proceedings  / 

 - Berlin:  Springer-Verlag,  1981 
 - vii, 500p. 
 - Lecture notes in Mathematics  885 .
<br/><br/><label>Dewey Class. No.: </label>511.6  / Sy989.CG