For citations:

Kotegov B.G. COUNTING FEATURE VARIABILITY OF THE CRUCIAN CARP CARASSIUS CARASSIUS (L.) (CYPRINIDAE, ACTINOPTERYGII) FROM SMALL PONDS WITH VARIOUS LEVELS OF ANTHROPOGENIC POLLUTION. Povolzhskiy Journal of Ecology. 2017;(1):46-53. (In Russ.) https://doi.org/10.18500/1684-7318-2017-1-46-53