"Energy Return on Investment in Traditional and Modern Agricultures. Coffee Agro-Ecosystems in Costa Rica from an Agro-Ecological Perspective (1935-2010)"

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 (1935-2010)". En: Gloria I. Guzman Casado y Manuel Gonzalez de Molina. Energy in Agroecosystems: A Tool for Assessing Sustainability. CRC Press, Florida, EEUU.

ISBN 9781498774765