@article{2004activity,
author={, .. and , .. and , .. and , .. and , .. and , .. and , .. and , ..},
title={Activity of Elbrus Volcano North Caucasus},
journal={Russian Journal of Earth Sciences},
publisher={Геофизический центр Российской Академии Наук},
year={2004},
pages={279-291},
volume={6},
issue={4},
}