For citations:

Sabylina A.V., Efremova T.A., Ikko O.I. Chemical Composition of Surface Drainage and River Waters Coming from the Area of the Petrozavodsk City to the Onego Lake. Proceedings of the Russian Geographical Society. 2022;154(4):39-53. (In Russ.) https://doi.org/10.31857/S0869607122040073