SKOWRON, R. and PIASECKI, A. 2015. WATER TEMPERATURE AND ITS DIVERSITY IN THE DEEPEST LAKES OF THE TUCHOLA FOREST AND THE KASHUBIAN AND BRODNICKIE LAKELANDS. Bulletin of Geography. Physical Geography Series. 7 (Mar. 2015), 105–119. DOI:https://doi.org/10.2478/bgeo-2014-0005.