1. The super-Kamiokande collaboration: Y Fukuda et al, Phys. Rev. Lett. 81, 1562 (1998)
2. T Kajita, talk at Neutrino 1998, (Takayama, Japan, 1998)
3. Y Totsuka, super-Kamiokande (Univ. of Tokyo, 1990) Report No. ICRR-227-90-20
4. Super-Kamiokande Collaboration: e-print hep-ex/9812011
5. Sudbury Neutrino Observatory Proposal, Report No. SNO-87-12 (1987)