On graphical quintuple systems

Char, 1988 Chee, 1990, The existence of a simple 3-(28,5, 30) design, Discrete Math Chee, 1990 Chee, 1991, Graphical t-designs with block sizes three and four, Discrete Math, 91, 201, 10.1016/0012-365X(91)90111-E Chouinard, 1983, Graphical t-wise balanced designs, Discrete Math, 46, 227, 10.1016/0012-365X(83)90117-6 Driessen, 1978, t-Designs, t ≥3 Kramer, 1990, An S3(3,5,21) using graphs, Discrete Math, 81, 223, 10.1016/0012-365X(90)90156-C Kramer, 1976, t-Designs on hypergraphs, Discrete Math, 15, 263, 10.1016/0012-365X(76)90030-3 Kreher, 1990, Some new simple t-designs, J. Combin. Math. Combin. Comput., 7, 53