Bautista Calderon, E. A.; Ordaz Chaparro, V. M.; Gutiérrez Castorena, M. del C.; Gutiérrez Castorena, E. V.; Cajuste Bontemps, L. Coffee Agroforestry Systems in Veracruz, Mexico: Spatial Identification and Quantification Using GIS, Remote Sensing and Local Knowledge. terra 2018, 36, 261-273.