D. Deng Douglas R. Stinson Pak Ching Li G. H. John van Rees Ruizhong Wei Constructions and bounds for (m, t)-splitting systems. 18-37 2007 307 Discrete Mathematics 1 http://dx.doi.org/10.1016/j.disc.2006.04.042 db/journals/dm/dm307.html#DengSLRW07