Roberts, Fred S. <br/><br/>
Graph theory and its applications to problems of society  / 

 - Philadelphia:  SIAM,  1978 
 - vii, 122p. Bibl. Index. 
 - CBMS-NSF regional conference series in Applied Mathematics ; 29 .
<br/><br/><label>ISBN: </label>089871026X 
<br/><br/><label>Dewey Class. No.: </label>511.5  / R644.GT