Marszelewski, Włodzimierz, and Bożena Pius. “Effect of Climate Change on Thermal-Ice Regime of Shallow Lakes Compared to Deep Lakes: Case Study of Lakes in the Temperate Zone (Northern Poland)”. Journal of Limnology 78, no. 1 (November 14, 2018). Accessed June 16, 2019. https://jlimnol.it/index.php/jlimnol/article/view/jlimnol.2018.1763.