[1] ASSAF A. M.: Modified group divisible designs. Ars Combin. 29 (1990), 13-20. MR 1046088 | Zbl 0702.05014

[2] BIGELOW D. C.-COLBOURN, C J.: Faithful enclosings of triple systems: A gen ralization of Stern's theorem. In: Graphs, Matrices, and Designs (R. Rees, ed.), Dekker, New York, NY, 1992, pp. 31-42.

[3] BRANDES M. DE-RÖDL V.: Steiner triple systems with small maximal independent sets. Ars Combin. 17 (1984), 15-19. MR 0755408

[4] BROWN T. C.-BUHLER J. P.: A density version of a geometric Ramsey theorem. J. Combin. Theory Ser. A 32 (1982), 20-34. MR 0640624 | Zbl 0476.51008

[5] COLBOURN, C J.-DINITZ J. H.-STINSON D. R.: Spanning sets and scattering sets in Steiner triple systems. J. Combin. Theorу Ser. A 57 (1991), 46-59. MR 1101746 | Zbl 0765.05016

[6] COLBOURN, C J.-HOFFMAN D. G.-REES R.: A new class of group divisible designs with block size three. J. Combin. Theorу Ser. A 59 (1992), 73-89. MR 1141323 | Zbl 0759.05012

[7] COLBOURN, C J.-ROSA A.: Quadratic leaves of maximal partial triple systems. Graphs Combin. 2 (1986), 317-337. MR 0951557 | Zbl 0609.05009

[8] COLBOURN, C J.-ROSA A.: Triple Systems. Oxford Universitу Press, Oxford, 1999. MR 1843379 | Zbl 0938.05009

[9] ERDÖS P.-HAJNAL A.: On chromatic number of graphs and set systems. Acta Math. Acad. Sci. Hung. 17 (1966), 61-99. MR 0193025

[10] GRABLE D. A.-PHELPS K. T.-RODL V.: The minimum independence number for designs. Combinatorica 15 (1995), 175-185. MR 1337352 | Zbl 0824.05005

[11] HANANI H.: Balanced incomplete block designs and related designs. Discrete Math. 11 (1975), 255-369. MR 0382030 | Zbl 0361.62067

[12] MIAO Y.-ZHU L.: Existence of incomplete group divisible designs. J. Combin. Math. Combin. Comput. 6 (1989), 33-49. MR 1025006 | Zbl 0688.05009

[13] PHELPS K. T.-RÖDL V.: Steiner triple systems with minimum independence number. Ars Combin. 21 (1986), 167-172. MR 0846690 | Zbl 0625.05012

[14] SAUER N.-SCHÖNHEIM J.: Maximal subsets of a given set having no triple in common with a Steiner triple system on the set. Canad. Math. Bull. 12 (1969), 777-778. MR 0252235 | Zbl 0194.01002

[15] WEI R.: Group-divisible designs with equal-sized holes. Ars Combin. 35 (1993), 315-324. MR 1220530 | Zbl 0786.05012