Understanding Natural Capital, part A: Geophysical contextSmithsonian Tropical Research Institute20–35
Stallard, Robert F. 2015. "Understanding Natural Capital, part A: Geophysical context." In Managing watersheds for ecosystem services in the steepland neotropics. Hall, Jefferson S., Virn, Vanessa, and Yanguas-Fernandez, Estrella, editors. 20–35. Balboa, Panama: Smithsonian Tropical Research Institute.