RJES         

RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 1, NO. 6, PAGES 485–492, doi:10.2205/1999ES000024, 1999

K-Ar geochronology of new volcanic centers eruptions in the Kazbek region of the Great Caucasus

I. V. Chernyshev, M. M. Arakelyants, V. A. Lebedev, S. N. Bubnov, and Yu. V. Gol'tsman