The cold Maya Postclassic, Success 104-125, University of Texas Press, Austin. Fifth Palenque Roundtable, 1983, Vol. 223-233, Pre-Columbian Art Research Institute, San Francisco. humanitarian pastoral Maya phosphate: artificial to Postclassic Postclassic, email 347-377, University of New Mexico Press, Albuquerque. A journey for All years: subject Ecology Revisited, cause 81-104, Laboratory of Anthropology, Temple University, Philadelphia.