1. Strongly regular graphs, partial geometries and partially balanced designs;BOSE;Pacific J. Math.,1963
2. Finite nets, II, Uniqueness and imbedding;BRUCK;Pacific J. Math.,1963
3. The uniqueness and nonuniqueness of the triangular association scheme;CHANG;Sci. Record,1959
4. Association schemes of partially balanced block designs with parameters μ = 28, n1 = 12, n2 = 15 and P112 =4;CHANG;Sci. Record,1960
5. Spektren endlicher Grafen;COLLATZ;Abh. Math. Sem. Hamburg,1957