Gacek, Anna, Przemysław Szopa, and Jacek Czerniak. “Removal of Petroleum Pollutants from River Water by Centrifugation”. Economic and Environmental Studies 17, no. 4 (44) (November 25, 2020): 1121–1133. Accessed October 30, 2024. https://czasopisma.uni.opole.pl/index.php/ees/article/view/2738.