KALENIK, Marek; WICHOWSKI, Piotr; CHALECKI, Marek; KICZKO, Adam. Efficiency of wastewater purification in medium sand with a lightweight expanded clay aggregate assisting layer. Journal of Water and Land Development, [S. l.], v. 57, n. 57, p. 30–38, 2023. DOI: 10.24425/jwld.2023.145333. Disponível em: https://wydawnictwo.pan.pl/index.php/jwld/article/view/4809. Acesso em: 19 oct. 2026.