1. “Variability of Room squares”;Beaman,1977
2. “Pairwise orthogonal symmetric Latin squares”;Dinitz;Congressus Numerantium,1981
3. “Room n-cubes of low order”;Dinitz;Journal of the Australian Mathematics Society,1984
4. “On 1–factorizations of the complete graph and the relationship to round robin schedules”;Gelling,1973
5. “On 1-factorizations of the complete graph and the relationship to round robin schedules”;Gelling,1973