1. A. Ya. Belov,On non-Spechtian varieties, Fundamental and Applied Mathematics5, No. 1 (1999), 47–66 (Russian).
2. A. Berele,Examples and counterexamples for M 1,1 embeddings, Journal of Algebra172, No. 2 (1995), 379–384.
3. P. Zh. Chiripov and P. N. Siderov,On bases for identities of some varieties of associative algebras, Pliska Studia Mathematica Bulgarica2 (1981), 103–115 (Russian).
4. O. M. Di Vincenzo,A note on the identities of the Grassmann algebras, Unione Matematica Italiana. Bollettino A7 (5), No. 3 (1991), 307–315.
5. O. M. Di Vincenzo and V. Drensky,Polynomial identities for tensor products of Grassmann algebras, Mathematica Pannonica4, No. 2 (1993), 249–272.