1. V. I. Kopeikin, L. A. Mikaelyan, and V. V. Sinev, Yad. Fiz. 61, 2222 (1998) [Phys. At. Nucl. 61, 2109 (1998)].
2. V. I. Kopeikin, L. A. Mikaelyan, and V. V. Sinev, hep-ph/9904384; Yad. Fiz. 63, 1087 (2000) [Phys. At. Nucl. 63, 1012 (2000)].
3. CHOOZ Collab. (M. Appolonio et al.), hep-ex/9907037; Phys. Lett. B 466, 415 (1999).
4. V. I. Kopeikin, L. A. Mikaelyan, and V. V. Sinev, Yad. Fiz. 60, 230 (1997) [Phys. At. Nucl. 60, 172 (1997)].
5. K. Schreckenbach et al., Phys. Lett. B 160B, 325 (1985); A. Hahn et al., Phys. Lett. B 218, 365 (1989).