1. S. V. Karpachev, G. M. Zlokazova, L. Ya. Kobelev, and V. B. Zlokazov, Dokl. Akad. Nauk SSSR 303, 349 (1988) [Sov. Phys. Dokl. 33, 833 (1988)].
2. Yu. F. Gorin, A. N. Babushkin, L. Ya. Kobelev, and A. S. Savel’kaev, JETP Lett. 41, 521 (1985).
3. Yu. F. Gorin, A. N. Babushkin, L. Ya. Kobelev, and Yu. S. Kuznetsov, Fiz. Tverd. Tela (Leningrad) 25, 922 (1983) [Sov. Phys. Solid State 25, 531 (1983)].
4. Ye. R. Baranova, V. B. Zlokazov, L. Ya. Kobelev, and M. V. Perfiliev, Acta Crystallogr. A 46, Suppl., C–363 (1990).
5. E. R. Baranova, V. B. Zlokazov, and M. V. Perfil’ev, Impedance (102–10−5 kHz) and Temperature Dependence of the Electrical Conductivity and Permittivity of AgGeAsSe3 [in Russian] (Urals University Press, Sverdlovsk, 1989).