@article{1999k-ar,
author={, .. and , .. and , .. and , .. and , ..},
title={K-Ar geochronology of new volcanic centers eruptions in the Kazbek region of the Great Caucasus},
journal={Russian Journal of Earth Sciences},
publisher={Геофизический центр Российской Академии Наук},
year={1999},
pages={485-492},
volume={1},
issue={6},
}