1. C. J.Cho, Combinatorical Designs with prescribed automorphism types. Thesis McMaster Univ. Hamilton, Ontario 1983.
2. C. J. Cho, On Cyclic Steiner Quadruple Systems. Ars Combin.10, 123?130 (1980).
3. C. J. Colburn andM. J. Colburn, A recursive construction for infinite families of cyclic SQS. Ars Combin.10, 95?102 (1980).
4. J.Doyen and A.Rosa, A bibliography and survey of Steiner Systems. Preprint McMaster Univ. Hamilton, Ontario, 1?127 (1985).
5. M. J. Grannell andT. S. Griggs, Some recent results on cyclic Steiner Quadruple Systems ? A survey. Ann. Discrete Math.18, 409?417 (1983).