"Energy Return on Investment in Traditional and Modern Agricultures. Coffee Agro-Ecosystems in Costa Rica from an Agro-Ecological Perspective (1935-2010)"
Historia Ambiental Wilson Picado Umaña
Juan Infante-Amate, Wilson Picado and Gloria I. Guzmán, "Energy Return on Investment in Traditional and Modern Agricultures. Coffee Agro-Ecosystems in Costa Rica from an Agro-Ecological Perspective...