LOURENS, Alexandra; BEUKES, Johan; VAN ZYL, Pieter; FOURIE, Gerhardus; BURGER, Johanna; PIENAAR, Jacobus; READ, Colin; JORDAAN, Johan. Spatial and temporal assessment of gaseous pollutants in the Highveld of South Africa. South African Journal of Science, [S. l.], v. 107, n. 1/2, p. 8 pages, 2011. Disponível em: https://sajs.co.za/article/view/10078. Acesso em: 3 may. 2024.