THE MOTOR VEHICLE: EMISSI0NS AND THE ENVIRONMENT. Clean Air Journal, [S. l.], v. 8, n. 6, p. 22–27, 1992. DOI: 10.17159/caj/1992/8/6.7132. Disponível em: https://cleanairjournal.org.za/article/view/7132. Acesso em: 14 nov. 2024.