The following publications are possibly variants of this publication:
- Constructions for generalized Steiner systems ::::GS:::: (3, 4, ::::v:::: , 2)Haitao Cao, Lijun Ji, Lie Zhu. dcc, 45(2):185-197, 2007. [doi]
- Generalized Steiner Systems GS(2, 4, v, 2) with a Prime Power equiv 7 (mod 12)D. Wu, L. Zhu. dcc, 24(1):69-80, 2001.