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2. Nested Steiner n-cycle systems and perpendicular arrays;Granville;J. Combin. Math. Combin. Comput.,1988
3. On the construction of odd cycle systems;Hoffman;J. Graph Theory,1989
4. Neighbor designs;Hwang;J. Combin. Theory Ser. A,1977
5. Circuit designs and latin squares;Keedwell;Ars Combin.,1984