00598naa#a2200181#i#450# EN\\bibl\49377 20240723161737.2 2073-5529 20220323b2022####ek#y0engy0150####ca RU Nutrition of perch (Percidae) in small lake in Lake Onega basin Journal article Astrakhan Astrakhan State Technical University 2022 5 с. Journal article local Perciformes. Окунеобразные. 597.556.33 Georgiev Andrey Pavlovich Padchina Anna Grigorievna vestnik.astu.org