For citations:

Babkin V.I., Babkin A.V., Merslyi O.V., Skoriatina E.L. Groupings and Change of Years with Different Water Abundance in Annual Runoff Series of Large Rivers in the European Russia. Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya. 2026;90(2):438–448. (In Russ.) https://doi.org/10.7868/S2658697526020127