1. Review of Particle Physics
2. μ→eγ at a rate of one out of 109 muon decays?
3. Supergravity;Gell-Mann,1979
4. T. Yanagida, in: O. Sawada, A. Sugamoto (Eds.), Proceedings of the Workshop on the Unified Theory and the Baryon Number in the Universe, KEK Report No. 79-18, Tsukuba, 1979, p. 95.
5. Neutrino Mass and Spontaneous Parity Nonconservation