BULLEY, M.M. USA trends in power station emission control. Clean Air Journal, [S. l.], v. 5, n. 6, 1981. DOI: 10.17159/caj/1981/5/6.7250. Disponível em: https://cleanairjournal.org.za/article/view/7250. Acesso em: 22 jul. 2024.