Wiśniewski, Kamil, Daniel Szarmach, and Małgorzata Poznańska-Kakareko. 2020. “The Role of Abiotic and Biotic Factors in Interspecific Competition of Polish Crayfish – Comprehensive Literature Review”. Oceanological and Hydrobiological Studies 49 (4):428-41. https://czasopisma.bg.ug.edu.pl/index.php/oandhs/article/view/7791.