Stern, M., M. Quesada, and K. E. Stoner. “Changes in Composition and Structure of a Tropical Dry Forest Following Intermittent Cattle Grazing”. Revista De Biología Tropical, vol. 50, no. 3-4, Dec. 2002, pp. 1021–1034, https://revistas.ucr.ac.cr/index.php/rbt/article/view/16621.