@article{Olbrich_Du Toit_Van Rensburg_1994, title={HOW GREAT A RISK DOES ACID RAN POSE TO COMMERCIAL FOREST SOILS THE EASTERN TRANSVAAL?}, volume={9}, url={https://cleanairjournal.org.za/article/view/7117}, DOI={10.17159/caj/1994/9/1.7117}, number={1}, journal={Clean Air Journal}, author={Olbrich, K.A. and Du Toit, B. and Van Rensburg, E.}, year={1994}, month={Jun.}, pages={17–20} }