Calgary International Conference on Combinatorial Structures and Their Applications University of Calgary, University of Calgary. Dept. of Mathematics, Statistics, and Computing Science, & Guy, R. K. (1970). Combinatorial structures and their applications: Proceedings. Gordon and Breach.

Calgary International Conference on Combinatorial Structures and Their Applications University of Calgary, Statistics University of Calgary. Dept. of Mathematics, and Richard K. Guy. Combinatorial Structures and Their Applications: Proceedings. New York: Gordon and Breach, 1970.

Calgary International Conference on Combinatorial Structures and Their Applications University of Calgary, et al. Combinatorial Structures and Their Applications: Proceedings. Gordon and Breach, 1970.