1. An extended bibliography and survey of Steiner systems;Doyen;Proc. 7th Manitoba Conference on Numerical Math. and Computing,1977
2. Finite partial quadruple systems can be finitely embedded;Ganter;Discrete Math.,1974
3. Steiner quadruple systems on 16 symbols;Gibbons;Proc. 6th Southeastern Conf. Combinatorics, Graph Theory and Computing,1975
4. On quadruple systems;Hanani;Canad. J. Math.,1960
5. Intersections among Steiner systems;Kramer;J. Combinatorial Theory,1974