1. K. I. Beidar, Y. Fong and X. K. Wang, Posner and Herstein theorems for derivations of 3-prime nearrings, Comm. Algebra, 24(5) (1996), 1581–1589.
2. H. E. Bell, On derivations in near-rings II, Proceeding of Near-rings and Near-Fields and K-loops, Hamburg, 1995, Kluwer Acad. Publ., 1997, pp. 191–197.
3. H. E. Bell, On prime near-rings with generalized derivation, Int. J. Math. Math. Sci. 2008, Art. ID 490316, 5 pp.
4. H. E. Bell and G. Mason, On derivations in near-rings, Proceeding of Near-rings and Near-Fields, Tübingen, 1985, North-Holland Mathematical Studies, 1987, pp. 31–35.
5. H. E. Bell and N. Rehman, Generalized derivations with commutativity and anti-commutativity conditions, Math. J. Okayama Univ., 49 (2007), 139–147.