Sigala Rodríguez, J. Á, M. A. González Tagle, J. Á Prieto Ruíz, E. Basave Villalobos, and J. Jiménez Pérez. “Allometric Relations for Predicting Biomass in Pinus Pseudostrobus Seedlings Grown under Different Production Systems at Nursery”. Revista Bosque, vol. 37, no. 2, May 2017, pp. 369-78, https://revistabosque.org/index.php/bosque/article/view/479.