FEIG, G.; VERTUE, B.; NAIDOO, S.; NCGUKANA, N.; MABASO, D. Measurement of atmospheric black carbon in the Vaal Triangle and Highveld Priority Areas. Clean Air Journal, [S. l.], v. 25, n. 1, p. 46, 2015. DOI: 10.17159/2410-972X/2015/v25n1a4. Disponível em: https://cleanairjournal.org.za/article/view/6927. Acesso em: 28 mar. 2024.