1. Lepton mixing and neutrino oscillations
2. For a recent review see for example: M. Zralek, hep-ph/9810543; M. Blasone, G. Vitiello, Ann. Phys. (NY) 244 (1995) 283; M. Blasone, P.A. Henning, G. Vitiello, Phys. Lett. B 451 (1999) 140.
3. M. Blasone, P.A. Henning, G. Vitiello, in: Results and Perspectives in Particle Physics, M. Greco ed., INFN Frascati 1996, p.139; M. Binger and C-R. Ji, hep-ph/9901407.
4. Quantal phase factors accompanying adiabatic changes
5. Resource Letter GPP-1: Geometric Phases in Physics