VAN AS, A. Consideration of the overall impact of an emission when setting standards for air pollution control. Clean Air Journal, [S. l.], v. 5, n. 5, 1981. DOI: 10.17159/caj/1981/5/5.7246. Disponível em: https://cleanairjournal.org.za/article/view/7246. Acesso em: 3 jul. 2024.