1. J.C. Bermond and D. Sotteau, Graph decomposition and G-designs, Proc. 5th British Conference on Combinatorics, Aberdeen, to appear.
2. Decomposition of complete graphs into stars;Cain;Bull. Austral. Math. Soc.,1974
3. Balanced incomplete block designs and related designs;Hanani;Discrete Math.,1975
4. C. Huang, Decomposition of complete graphs into stars, J. Combinatorial Theory, to appear.