EL-HADY, H. M. Abd; GRÜNWALD, A.; VLČKOVÁ, K.; ZEITHAMMEROVÁ, J. Clinoptilolite in Drinking Water Treatment for Ammonia Removal. Acta Polytechnica, [S. l.], v. 41, n. 1, 2001. DOI: 10.14311/192. Disponível em: https://ojst.is.cvut.cz/ojs/index.php/ap/article/view/192.. Acesso em: 22 may. 2025.