1. First farmers: The origins of agricultural societies;Bellwood,2005
2. On the origin, evolution, and dispersal of maize;Benz,1999
3. Constructing frames of reference: An analytical method for archaeological theory building using ethnographic and environmental data sets;Binford,2001
4. Plants from the past;Blake,2001
5. Andean maize: Its origins and domestication;Bonavia,1989