1. Definable Envelopes of Nilpotent Subgroups of Groups with Chain Conditions on Centralizers;Altínel;To appear in: Proc. Am. Math. Soc.
2. Third Engel groups and the Macdonald-Neumann conjecture;Bachmuth;Bull. Aust. Math. Soc.,1971
3. Nilpotency in groups with chain conditions;Derakhshan;Q. J. Math.,1997
4. On three-Engel groups;Kappe;Bull. Aust. Math. Soc.,1972