Delgado-Matas, Cristobal, and Timo Pukkala. “Growth Models Based on Radial Increment Observations for Eight Pine Species in Angola”. Southern Forests: a Journal of Forest Science 75, no. 1 (February 26, 2013). Accessed September 26, 2026. https://www.ajol.info/index.php/sfjfs/article/view/85866.