Słodownik, Patrycja, and Krzysztof W. Opaliński. “Oxygen Consumption in the Sandy Beaches of the Vistula River: Goods and Services of the Ecosystem”. Studia Ecologiae et Bioethicae 13, no. 4 (December 31, 2012): 179–194. Accessed November 22, 2024. https://czasopisma.uksw.edu.pl/index.php/seb/article/view/66.