Vicente Sangumbe, L. M., M. Pereira, I. Carrillo, and R. Teixeira Mendonça. “An Exploratory Evaluation of the Pulpability of Brachystegia Spiciformis and Pericopsis Angolensis from the Angolan Miombo Woodlands”. Maderas-Cienc Tecnol, vol. 20, no. 2, Apr. 2018, pp. 183-98, https://revistas.ubiobio.cl/index.php/MCT/article/view/3034.