Hernández-Vera, Diego, Marín Pompa-García, José I Yerena-Yamallel, and Eduardo Alanís-Rodrígue. 2017. “Within-Tree Carbon Concentration Variation in Three Mexican Pine Species”. Revista Bosque 38 (2):381-86. https://revistabosque.org/index.php/bosque/article/view/436.