1. Bipartite designs;Hoffman;J. Combin. Designs,1995
2. P3-factorisation of complete bipartite graphs;Ushio;Discrete Math,1988
3. Cyclic Sk-factorization of complete bipartite graphs;Ushio,1991
4. K. Ushio, S5-factorisation of complete bipartite graphs, preprint, Kinki University, Osaka, Japan.
5. Introduction to Graph Theory;Wilson,1979