1. A. K. Ivanov-Shits and I. V. Murin, Solid State Ionics (S.-Peterb. Gos. Univ., St. Petersburg, 2000), Vol. 1 [in Russian].
2. V. Ya. Kavun, V. I. Sergienko, B. N. Chernyshov, et al., Zh. Neorg. Khim. 36(4), 1004 (1991).
3. A. V. Gerasimenko, V. Ya. Kavun, V. I. Sergienko, and T. F. Antokhina, Koord. Khim. 25(8), 604 (1999) [Russ. J. Coord. Chem. 25 (8), 562 (1999)].
4. V. Ya. Kavun, A. V. Gerasimenko, V. I. Sergienko, et al., Zh. Prikl. Khim. 75(6), 1025 (2000) [Russ. J. Appl. Chem. 75 (6), 966 (2000)].
5. V. Ya. Kavun, V. I. Sergienko, and T. F. Antokhina, Zh. Strukt. Khim. 36(4), 697 (1995).