Ansorge, Libor, Lada Stejskalová, and Jiří Dlabal. “GREY WATER FOOTPRINT OF POINT SOURCES OF POLLUTION: THE CZECH REPUBLIC STUDY”. Journal of Urban and Environmental Engineering 14, no. 1 (June 7, 2020): 144–149. Accessed November 1, 2026. https://periodicos.ufpb.br/index.php/juee/article/view/51209.