1. Rings That Are Nearly Associative;Zhevlakov,1982
2. Varieties of algebras;Osborn;Advances in Mathematics,1972
3. On centers of alternative algebras;Kleinfeld;Communications in Algebra,1980
4. A basis for free lie rings and higher commutators in free groups;Hall,1950
5. A computer algebra system for nonassociative identities;Jacobs,1990