Kalinkina, N.M. “Relationship Between Hydrobiological And Hydrochemical Parameters Of Lakes Of Karelia As Influenced By Their Geoecological Characteristics”.
ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (August 5, 2015): 352–355. Accessed April 7, 2025.
https://journals.rta.lv/index.php/ETR/article/view/980.