1. Evidence for Oscillation of Atmospheric Neutrinos
2. M. Nakahata, in: TAUP 99, V Int. Workshop on Topics in Astroparticle and Underground Physics, Paris, September 1999, to appear;
3. Transparencies available at http://taup99.in2p3.fr/TAUP99/
4. M. Takita, in: Cosmo 99, Int. Workshop on Particle Physics and the Early Universe, Trieste, September 1999; Transparencies available at http://www.ictp.it/~cosmo99/
5. For a review on the present status see, e.g., G.L. Fogli, in: TAUP 99, V Int. Workshop on Topics in Astroparticle and Underground Physics, Paris, September 1999, to appear;