Wrzesiński, Dariusz, and Mariusz Ptak. “An Investigation of Water Level Fluctuations in Polish Lakes in Various Phases of the Winter North Atlantic Oscillation”. Geology, Geophysics and Environment 43, no. 2 (January 14, 2018): 151. Accessed July 13, 2024. https://journals.agh.edu.pl/geol/article/view/2300.