PTAK, Mariusz, CHOIŃSKI, Adam and KIRVIEL, Jan. Long-term water temperature fluctuations in coastal rivers (Southern Baltic) in Poland. Bulletin of Geography. Physical Geography Series. Online. 22 December 2016. No. 11, pp. 35-42. [Accessed 18 July 2024]. DOI 10.1515/bgeo-2016-0013.