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SZPIKOWSKI, Józef and SZPIKOWSKA, Grażyna. Hydro-morphological and hydrochemical conditions of the Parsęta River. Bulletin of Geography. Physical Geography Series. Online. 17 December 2018. No. 15, pp. 53-62. [Accessed 1 July 2024]. DOI 10.2478/bgeo-2018-0015.