1. Barygenesis without grand unification
2. T. Yanagida, in: O. Sawada, A. Sugamoto (Eds.), Proceedings of the Workshop on Unified Theories and Baryon Number of the Universe, Tsukuba, Japan, 1979, KEK report KEK-79-18, p. 95
3. Supergravity;Gell-Mann,1979