Diel changeover of fish assemblages in shallow sandy habitats of lowland rivers of different sizesMichał Nowak, Artur Klaczak, Ján Koščo, Paweł Szczerbik, Jakub Fedorčák, Juraj Hajdú and Włodzimierz PopekKnowl. Manag. Aquat. Ecosyst., 420 (2019) 41DOI: https://doi.org/10.1051/kmae/2019037