FOURIE, O.L; VLEGGAAR, C,M. Luggehaltemodelle beskikbaar by die afdeling Atmosferiese Wetenskapppe, NFNL, WNNR. Clean Air Journal, [S. l.], v. 6, n. 7, 1985. DOI: 10.17159/caj/1985/6/7.7269. Disponível em: https://cleanairjournal.org.za/article/view/7269. Acesso em: 3 jul. 2024.