1. R. Castro-Salazar, and G. Arias-Murillo. 1998 . Costa Rica: Toward the sustainability of its forest resources . Fondo Nacional de Financiamiento Forestal (FONAFIFO). San Jose, Costa Rica. 23 pp.
2. CENTRO CIENTIFICO TROPICAL . 1982 . Costa Rica: Perfil Ambiental, Estudio de Campo . Centra Cientifico Tropical, San Jose, Costa Rica. 151 pp.
3. A review of assessing the accuracy of classifications of remotely sensed data