@article{Georgiev2022nutrition,
author={Georgiev, A.. and Padchina, A..},
title={Nutrition of perch (Percidae) in small lake  in Lake Onega basin},
journal={Vestnik of Astrakhan State Technical University. Series: Fishing industry},
publisher={Astrakhan State Technical University},
year={2022},
pages={7-12},
volume={},
issue={1},
}