Hernández, L., N. Dezzeo, E. Sanoja, L. Salazar, and H. Castellanos. “Changes in Structure and Composition of Evergreen Forests on an Altitudinal Gradient in the Venezuelan Guayana Shield”. Revista De Biología Tropical, vol. 60, no. 1, Nov. 2012, pp. 11–33, doi:10.15517/rbt.v60i1.2360.