OLIVER, D.D. Diesel vehicle emissions testing in the city Cape Town. Clean Air Journal, [S. l.], v. 10, n. 8, 2001. DOI: 10.17159/caj/2001/10/8.7338. Disponível em: https://cleanairjournal.org.za/article/view/7338. Acesso em: 26 apr. 2024.