@inbook {, title = {The social context of production and exchange}, booktitle = {Contexts for prehistoric exchange}, year = {1982}, note = {Source of data: Anthropological Literature, Harvard University}, pages = {173-197}, publisher = {New York : Academic Press, c1982}, organization = {New York : Academic Press, c1982}, keywords = {Archaeology--Commerce, Ontario--Archaeology--Commerce, Teotihuacan--Archaeology--Commerce}, author = {Spence, Michael W.} }