1. Strongly regular graphs, partial geometries and partially balanced designs;Bose;Pacific J. Math.,1963
2. The uniqueness and nonuniqueness of the triangular association scheme;Chang;Sci. Record,1959
3. Association schemes of partially balanced block designs with parameters v = 28, n1 = 12, n2 = 15 and p112 = 4;Chang;Sci. Record,1960
4. Regular Polytopes;Coxeter,1963
5. Self-dual configurations and regular graphs;Coxeter;Bull. Amer. Math. Soc.,1950