Environmental factors shaping assemblages of ostracods (Crustacea: Ostracoda) in springs situated in the River Krąpiel valley (NW Poland)Agnieszka Szlauer-Łukaszewska, Vladimir Pešić and Andrzej ZawalKnowl. Manag. Aquat. Ecosyst., 422 (2021) 14DOI: https://doi.org/10.1051/kmae/2021010