1. C. J. Maxson and J. D. P. Meldrum, Centralizer representations of near-fields, Comm. in Alg. 89 (1984), 406–415.
2. C. J. Maxson, M. R. Pettet and K. C. Smith, On semisimple rings that are centralizer near-rings, Pac. J. Math. 101 (1982), 451–461.
3. G. F. Pilz, Near-rings, second, revised edition, North Holland, Amsterdam, 1983.
4. M. Zeller, Centralizer near-rings on infinite groups, Ph. D. dissertation, Texas A & M University, College Station Texas, 1980.