Franco-Ramos, O., L. Vázquez-Selem, M. Stoffel, and J. Villanueva Díaz. “Dendrogeomorphological Potential of Conifers on Volcanoes of Central Mexico”. Bosque, vol. 39, no. 2, Aug. 2018, pp. 191-04, doi:10.4067/S0717-92002018000200191.