@article {,
	title = {Primitive exchange, prehistoric trade, and the problem of a Mesoamerican-South American connection},
	journal = {Journal of the Steward Anthropological Society},
	volume = {9},
	number = {1},
	year = {1977},
	note = {Source of data: Anthropological Literature, Harvard UniversitySpecial volume : prehistoric contacts between Mesoamerica and South America : new data and interpretations},
	pages = {7-39},
	publisher = {Urbana, 1977-78},
	keywords = {Archaeology--Commerce, Central America--Commerce, South America--Archaeology--Commerce},
	author = {Zeidler, James A.}
}