TY  - BOOK
AU  - McDonough T P Ed.
AU  -  Mavron V C Ed.
ED  - Conference on combinatorics (1973 : Aderystwyth)
TI  - Proceeding on Combinatorics
T2  - London mathematical society lecture note series; 13
U1  - B217p1,N73, L4 
PY  - 1974///
CY  - Cambridge
PB  - University Press        
KW  - Combinatorial theory
ER  -