1. R.J.R. Abel, Four mutually orthogonal latin squares of orders 28 and 52, J. Combinatorial Theory A58 (1991), 306–309.
2. R.J.R. Abel, private communications, 1993–94.
3. R.J.R. Abel and Y.W. Cheng, Some new MOLS of order 2’p for p a prime power, Austral. J. Combin. 10 (1994), 175–186.
4. R.J.R. Abel, C.J. Colbourn, J.X. Yin and H. Zhang, Existence of transversal designs with block size five and any index a, preprint.
5. R.J.R. Abel and D.T. Todorov, Four MOLS of order 20, 30, 38 and 44, J. Combinatorial Theory A64 (1993), 144–148..