@article{2005precambrian,
author={, .. and , .. and , .. and , .. and , .. and , .. and , ..},
title={Precambrian microfossil-characterized biotopes from the southern margin of the Siberian craton},
journal={Russian Journal of Earth Sciences},
publisher={Геофизический центр Российской Академии Наук},
year={2005},
pages={1-28},
volume={7},
issue={6},
}