1. Set intersection matrices;Journal of Combinatorial Theory, Series A;1982-03
2. Generalized intersection patterns and two-symbol balanced arrays;Linear Algebra and its Applications;1980-04
3. Indeterminates and Incidence Matrices;Combinatorics;1975
4. Indeterminates and incidence matrices†;Linear and Multilinear Algebra;1973-01
5. Intersection properties of finite sets;Journal of Combinatorial Theory, Series A;1973-01