1. Three mutually orthogonal idempotent Latin squares of orders 22 and 26;Abel,1993
2. An elliptic semiplane;Baker;J. Combin. Theory Ser. A,1978
3. Concerning pairwise balanced designs with prime power block sizes;Bennett;AMS Cont. Math.,1990
4. Conjugate orthogonal Latin squares and Mendelsohn designs;Bennett;Ars Combinatoria,1985
5. Direct constructions for perfect 3-cyclic designs;Bennett;Ann. Discrete Math.,1982