For citations:

Baeva Yu.I., Chernykh N.A. Levels and distribution patterns of heavy metals in water and bottom sediments of Lake Seliger, Tver and Novgorod Regions, Russia. South of Russia: ecology, development. 2025;20(3):133-144. (In Russ.) https://doi.org/10.18470/1992-1098-2025-3-12