1. Ph.D. thesis;Allston,1989
2. Algorithms for perfect packings on 4m + 4 points with base block of length;Buskens;2m. Ars Combin,1987
3. On a combinatorial problem;de Bruijn;Nederl. Akad. Wetensch. Indag. Math.,1948
4. Exact covering configurations and Steiner systems;Hartman;J. London Math. Soc.,1982
5. Perfect pair coverings and an algorithm for certain (1–2) factorizations of the complete graph K2s + 1.;Mullin;Ars Combin.,1981