British Combinatcrial Conference Aberystwyth (1973) <br/><br/>
Proceedings. Ed by TP McDonough and V C Mavron. 

 - London  CUP            1974 
 - v, 204P  cm. 
 - London Mathematical Society, Lecture Note Series 13 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>B217p3,N73, L4