@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={2022}, issue={1}, }