1. Adushkin, V.V., Zykov, Yu.N., and Fedotov, S.A., Mechanism of Volcanic Structure Destruction as a Result of Destabilization and Assessment of Possible Scales of Klyuchevskoy Volcano Failure, Vulkanol. Seismol., 1994, no. 6, pp. 81–95.
2. Bol’shoe treshchinnoe Tolbachinskoe izverzhenie (1975 to 1976, Kamchatka) (Great Tolbachik Fissure Eruption) Fedotov, S.A., Ed., Moscow: Nauka, 1984.
3. Vlodavets, V.I., Klyuchevskoy Volcanic Group, Tr. Vulkanol. Stantsii, 1940, no. 1, pp. 86–98.
4. Gontovaya, L.I., Khrenov, A.P., Stepanova, M.Yu., and Senyukov, S.L., Depth Model of the Lithosphere in the Region of the Klyuchevskoy Volcanic Group, Vulkanol. Seismol., 2004, no. 3, pp. 3–11.
5. Gorel’chik, V.I., To the History of Development of Seismologic Studies at Kamchatka Volcanoes, in Geodinamika i vulkanizm Kurilo-Kamchatskoi ostrovoduzhnoi sistemy (Geodynamics and Volcanism of the Kuril-Kamchatka Island-Arc System), Petropavlovsk-Kamchatskii: IVGiG DVO RAN, 2001, pp. 341–351.