Design theory
Designs, intersection numbers, and codes
Coding theory and design theory: part II, design theory
5-designs with three intersection numbers
Journal of Combinatorial Theory Series A
Discrete Mathematics
A Technique for Constructing Symmetric Designs
Designs, Codes and Cryptography
Quasi Symmetric Designs (London M
Quasi Symmetric Designs (London M
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We investigate BIBDs with three intersection numbers,x, y, and z, such that the relation on the block set given byA\sim B iff the cardinality of the intersectionof A and B is not equal to x is an equivalence relation. Withsuch a design, we associate a family of strongly regular graphswith the same parameters. Two constructions producing infinitefamilies of such designs are given.