1. N. Alon, private communication and letters.
2. N. Alon, Tools from higher algebra, in: R.L. Graham, M. Grotschel and L. Lovasz, eds, Handbook in Combinatorics (North-Holland, Amsterdam), to appear.
3. N. Alon, A. Bialostocki and Y. Caro, The extermal cases in Erdo˝s-Ginzburg-Ziv theorem, unpublished.
4. On three zero-sum Ramsey-type problems;Alon;Graph Theory,1993
5. Zero-sum sets of prescribed size;Alon,1993