@book{9015,
	author = {British Combinatorial Conference on Combinatorics University College, Swansea, July 20-24, 1981 and ScD, Temperley H. N. V.},
	title = {Combinatorics; proceedings of the 8th conference},
	publisher = {Cambridge University Press,},
	year = {1981},
	address = {Cambridge:}
}