Nickless, Alecia, Robert Scholes, and Sally Archibald. “A Method for Calculating the Variance and Confidence Intervals for Tree Biomass Estimates Obtained from Allometric Equations”. South African Journal of Science 107, no. 5/6 (May 23, 2011): 10 pages. Accessed April 24, 2024. https://sajs.co.za/article/view/10039.