1. Nagel, L.E. and Keeffe, M.O., Fast Ionic Transport in Solids, Solid State Batteries and Devices, Van Gool, W., Ed., North-Holland: Amsterdam, 1973, p. 165.
2. Takahashi, T., Iwahara, H., and Ishikawa, T., J. Electrochem. Soc., 1977, vol. 124, p. 280.
3. Murin, I.V., Glumov, O.V., and Sobolev, B.P., Vestn. LGU, Ser. Fizika, Khimiya, 1980, vol. 2, p. 84.
4. Aliev, A.E., Akramov, A.Sh., and Tashmukhamedova, N.Kh., Fiz. Tverd. Tela, 1989, vol. 31, no. 2, p. 263.
5. Sorokin, N.I. and Sobolev, B.P., Kristallografiya, 1994, vol. 39, p. 837.