@article{1999chalcophile,
author={, .. and , .. and , .. and , .. and , ..},
title={Chalcophile metals in the formation processes of magma and the Earth core},
journal={Russian Journal of Earth Sciences},
publisher={Геофизический центр Российской Академии Наук},
year={1999},
pages={445-455},
volume={1},
issue={6},
}