1. D. W. Murphy, S. A. Sunshine, P. K. Gallagher, H. M. O’Bryan, R. J. Cava, B. Batlog, R. B. van Dover, L. F. Schneemeyer, and S. M. Lahurak, Chemistry of High-Temperature Superconductors, ACS Symposium Ser. 351 (1987), pp. 181–191.
2. V. P. Obrosov and V. D. Koshkarov, Élektrokhimiya 12, 679 (1976).
3. Yu. M. Gerbshte $$\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} $$ n, S. E. Nikitin, and F. A. Chudnovskii, Fiz. Tverd. Tela (Leningrad) 25, 3559 (1983) [Sov. Phys. Solid State 25, 2048 (1983)].
4. Y. Kubo, Y. Nakabayashi, J. Tabuchi, T. Yoshitake, A. Ochi, K. Utsumi, H. Igarashi, and M. Yonezawa, Jap. J. Appl. Phys. 26, 1888 (1987).
5. V. N. Chebotin and M. V. Perfil’ev, Electrochemistry of Solid Electrolytes [in Russian], Khimiya, Moscow (1978), p. 312.