1. Difference families;Abel,1996
2. Abel, R.J.R., 1997. Personal communication.
3. BIBDs with small block sizes;Abel,1996
4. Some new RBIBDs with block size 5 and PBDs with block sizes ≡ 1mod5;Abel;Austr. J. Combin.,1997
5. Mutually orthogonal Latin squares;Abel,1996