Czerniawski, Robert, and Łukasz Sługocki. 2017. “Analysis of Zooplankton Assemblages from Man-Made Ditches in Relation to Current Velocity”. Oceanological and Hydrobiological Studies 46 (2):199-211. https://czasopisma.bg.ug.edu.pl/index.php/oandhs/article/view/8805.