Bukaciński, Dariusz, Monika Bukacińska, and Arkadiusz Buczyński. “Threats and the Active Protection of Birds in a Riverbed: Postulates for the Strategy of the Preservation of the Middle Vistula River Avifauna”. Studia Ecologiae et Bioethicae 16, no. 4 (December 31, 2018): 5–23. Accessed May 3, 2024. https://czasopisma.uksw.edu.pl/index.php/seb/article/view/6633.