Construction of Partially Balanced Incomplete Block Designs through 2:::n::: Factorials and Some New Designs of Two Associate Classes

G. M. Saha, M. N. Das. Construction of Partially Balanced Incomplete Block Designs through 2:::n::: Factorials and Some New Designs of Two Associate Classes. Journal of Combinatorial Theory, Series A, 11(3):282-295, 1971.