Ansorge, Libor, Lada Stejskalová, Jiří Dlabal, and Elžbieta Čejka. 2020. “Effect of Wastewater Treatment Plants to the Reduction of Pollution Discharged in the Czech Part of the Odra River Basin”. Scientific Review Engineering and Environmental Sciences (SREES) 29 (2):123-35. https://doi.org/10.22630/PNIKS.2020.29.2.11.