1. R. Davis (Homestake); Y. Totsuka (Kamiokande); V.N. Gavrin (SAGE); R. Bernabei (GALLEX); papers in these proceedings.
2. J.N. Bahcall; paper in these proceedings.
3. See papers by J.N. Bahcall, W. Haxton, A. Dar, G. Fiorentini and S. Turck-Chieze in these proceedings.
4. Solution of the solar-neutrino problem