HEINICHEN, D; HICKS, R.E. Characterising a particulate emission. Clean Air Journal, [S. l.], v. 3, n. 2, 1977. DOI: 10.17159/caj/1977/3/2.7240. Disponível em: https://cleanairjournal.org.za/article/view/7240. Acesso em: 10 may. 2024.