1. Remarks on the Unified Model of Elementary Particles
2. See the HIPA home page, http://jkj.tokai.jaeri.go.jp/.
3. The JHF Neutrino Working Group, hep-ex/0106019; see also the JHF Neutrino Working Group home page, http://neutrino.kek.jp/jhfnu.
4. H. Chen and et al., hep-ph/0104266.
5. M.Aoki, K.Hagiwara, Y.Hayato, T.Kobayashi, T.Nakaya, K.Nishikawa and N.Okamura, hep-ph/0112338.