OLBRICH, K.A.; DU TOIT, B.; VAN RENSBURG, E. HOW GREAT A RISK DOES ACID RAN POSE TO COMMERCIAL FOREST SOILS THE EASTERN TRANSVAAL?. Clean Air Journal, [S. l.], v. 9, n. 1, p. 17–20, 1994. DOI: 10.17159/caj/1994/9/1.7117. Disponível em: https://cleanairjournal.org.za/article/view/7117. Acesso em: 20 apr. 2024.