HOSKINS, D. W. Acid Rain, Emissions Trading and the Clean Air Act Amendments of 1989. Columbia Journal of Environmental Law, [S. l.], v. 15, n. 2, 2020. DOI: 10.7916/cjel.v15i2.5796. Disponível em: https://journals.library.columbia.edu/index.php/cjel/article/view/5796. Acesso em: 15 aug. 2022.