Lebedev, V. A.; Vashakidze, G. T.; Arutyunyan, E. V.; Yakushev, A. I. (2011). "Geochronology and evolution of quaternary volcanism at the Keli Highland, Greater Caucasus". Geochemistry International. 49 (11): 1120–1144. doi:10.1134/S0016702911090035. ISSN0016-7029.
Lebedev, V. A.; Chernyshev, I. V.; Sharkov, E. V. (2012). "Geochronological scale and evolution of late Cenozoic magmatism within the Caucasian segment of the alpine belt". Doklady Earth Sciences. 441 (2): 1656–1660. doi:10.1134/S1028334X11120051. ISSN1028-334X.
Lebedev, V. A.; Chernyshev, I. V.; Chugaev, A. V.; Vashakidze, G. T. (2007). "Geochronology of Quaternary volcanism of the Krestovyi Pass Region, Kazbek Neovolcanic Area, Greater Caucasus". Doklady Earth Sciences. 413 (1): 272–276. doi:10.1134/S1028334X07020328. ISSN1028-334X.
Lebedev, V. A.; Vashakidze, G. T.; Arutyunyan, E. V.; Yakushev, A. I. (2011). "Geochronology and evolution of quaternary volcanism at the Keli Highland, Greater Caucasus". Geochemistry International. 49 (11): 1120–1144. doi:10.1134/S0016702911090035. ISSN0016-7029.
Lebedev, V. A.; Chernyshev, I. V.; Sharkov, E. V. (2012). "Geochronological scale and evolution of late Cenozoic magmatism within the Caucasian segment of the alpine belt". Doklady Earth Sciences. 441 (2): 1656–1660. doi:10.1134/S1028334X11120051. ISSN1028-334X.
Lebedev, V. A.; Chernyshev, I. V.; Chugaev, A. V.; Vashakidze, G. T. (2007). "Geochronology of Quaternary volcanism of the Krestovyi Pass Region, Kazbek Neovolcanic Area, Greater Caucasus". Doklady Earth Sciences. 413 (1): 272–276. doi:10.1134/S1028334X07020328. ISSN1028-334X.