1. Tsendin, K.D., Impurity and Defect Electronic States in Doped Chalcogenide Glass-Forming Semiconductors, in Elektronnye yavleniya v khal’kogenidnykh stekloobraznykh poluprovodnikakh (Electronic Phenomena in Chalcogenide Glass-Forming Semiconductors), St. Petersburg: Nauka, 1996.
2. Seregin, P.P. and Andreev, A.A., Application of the Mössbauer Effect to Investigations of Vitreous Materials, in Mössbauer Spectroscopy of Frozen Solutions, Vertes, A. and Nagy, D.L., Eds., Budapest: Akademiai Kiado, 1990. Translated under the title Messbauerovskaya spektroskopiya zamorozhennykh rastvorov, Moscow: Mir, 1998.
3. Regel’, A.A. and Seregin, P.P., Investigation of Chalcogenide Glasses Containing Divalent Tin, Fiz. Khim. Stekla, 1981, vol. 7, no. 2, pp. 154–158.