Hayden, B. 1990. Nimrods, Piscators, Pluckers, and Planters: The Emergence of Food Production. Journal of Anthropological Archaeology 9. 31-69.
@article{haydenperscomm1990, author = {Hayden, B.}, journal = {Journal of Anthropological Archaeology}, key = {Hayden pers. comm. (1990)}, pages = {31-69}, title = {Nimrods, Piscators, Pluckers, and Planters: The Emergence of Food Production}, volume = {9}, year = {1990} }