PETRIE, J.G. AIR POLLUTION RESEARCH AT THE ENERGY RESEARCH INSTITUTE UNIVERSITY OF CAPE TOWN. Clean Air Journal, [S. l.], v. 7, n. 2, p. 28, 1986. DOI: 10.17159/caj/1986/7/2.7356. Disponível em: https://cleanairjournal.org.za/article/view/7356. Acesso em: 5 may. 2024.