Shmakova Марина Валентиновна. “THE LEVEL REGIME OF THE THREE LARGEST LAKES IN EUROPE: THE PAST AND THE PRESENT”. Geographical Bulletin, no. 3(66) (September 30, 2023): 83–92. Accessed May 17, 2024. https://press.psu.ru/index.php/geogr/article/view/8132.