Biodiversity Conservation History and Future in Costa Rica: The Case of Area de Conservacion Guanacaste (ACG)

Janzen, D.H. and Hallwachs, W. 

Biodiversity Conservation History and Future in Costa Rica: The Case of Area de Conservacion Guanacaste (ACG).  Chapter 10.  In Costa Rican Ecosystems, Kappelle, M. ed. University of Chicago Press, Chicago.