EGENES, H.O. Symposium on acid rain held at Megawatt Park. Clean Air Journal, [S. l.], v. 6, n. 7, 1985. DOI: 10.17159/caj/1985/6/7.7271. Disponível em: https://cleanairjournal.org.za/article/view/7271. Acesso em: 18 may. 2024.