1. Some New BIBDS with λ=1 and 6⩽k⩽10;Abel;J. Combinatorial Designs,1996
2. Abel, R.J.R., 1996b. email communication.
3. Abel, R.J.R., 1997. email communication.
4. Abel, R.J.R., Brouwer, A.E., Colbourn, C.J., Dinitz, J.H., 1996a. Mutually orthogonal latin squares (MOLS). In: Colbourn, C.J., Dinitz, J.H., (Eds.), CRC Handbook of Combinatorial Designs. CRC Press Boca Raton, pp. 111–141.
5. Abel, R.J.R., Colbourn, C.J., Dinitz, J.H., 1996b. Incomplete MOLS. In: Colbourn, C.J., Dinitz, J.H., (Eds.), CRC Handbook of Combinatorial Designs. CRC Press, Boca Raton, pp. 142–172.