@article{Nevalennyy2022biogeochemical,
author={Nevalennyy, A.. and Ershova, T.. and Zaitsev, V.. and Chaplygin, V..},
title={Biogeochemical monitoring  of composition of chemical elements in Caspian Sea},
journal={Vestnik of Astrakhan State Technical University. Series: Fishing industry},
publisher={Astrakhan State Technical University},
year={2022},
pages={22-28},
volume={},
issue={4},
}