Pérez, Rolando A., Aguilar, Salomón, Somoza, Agustin, Condit, Richard S., Tejada, Israel, Camargo, Clara, and Lao, Suzanne. 2005. "
Tree Species Composition and Diversity in the Upper Chagres River Basin, Panamá." in
The Rio Chagres, Panama: A Multidisciplinary Profile of a Tropical Watershed Series, edited by Harmon, Russell S., 227. Springer.