DULOVICS, D. SMALL SEWAGE TREATMENT WORKS AND THE WATER POLLUTION CONTROL. Periodica Polytechnica Civil Engineering, [S. l.], v. 31, n. 3-4, p. 111–120, 1987. Disponível em: https://pp.bme.hu/ci/article/view/3956. Acesso em: 14 may. 2025.