Cruz de León, G., I. Alfaro-Trujillo, and M. Bañuelos-Jiménez. “Error Predictions for Average End Diameter Sectional Formula in Tree Stem Volume Measurement”. Revista Bosque, vol. 37, no. 1, May 2017, pp. 211-5, https://revistabosque.org/index.php/bosque/article/view/494.