Rivera, M. A. 2006 Prehistoric maize from northern Chile: an evaluation of the evidence. In Histories of Maize: Multidisciplinary Approaches to the Prehistory, Biogeography, Domestication, and Evolution of Maize, edited by J. E. Staller, R. H. Tykot and B. F. Benz, pp. 403-413. Academic Press, Amsterdam.