1. Orthogonal designs;Geramita,1979
2. Hadamard matrices of order 16;Hall;J.P.L. Research Summary No. 36-10.1,1961
3. Projective planes;Hughes,1973
4. Hadamard tournaments with transitive automorphism groups;Ito;Europ. J. Combinatorics,1984
5. Combinatorial mathematics;Ryser;MAA,1963