Authors: McAuliffe, JR Sundt, PC Valiente-Banuet, A Casas, A Viveros, JL

Citation: Jr. Mcauliffe et al., Pre-columbian soil erosion, persistent ecological changes, and collapse ofa subsistence agricultural economy in the semi-arid Tehuacan Valley, Mexico's 'Cradle of Maize', J ARID ENV, 47(1), 2001, pp. 47-75

Authors: Casas, A Valiente-Banuet, A Viveros, JL Caballero, J Cortes, L Davila, P Lira, R Rodriguez, I

Citation: A. Casas et al., Plant resources of the Tehuacan-Cuicatlan Valley, Mexico, ECON BOTAN, 55(1), 2001, pp. 129-166