@inbook {,
	title = {Positioning Exchange in the Evolution of Human Society},
	booktitle = {Prehistoric exchange systems in North America},
	series = {Interdisciplinary contributions to archaeology},
	year = {1994},
	note = {edited by Timothy G. Baugh and Jonathon E. Ericson.ill. ; 24 cm.},
	pages = {419-437},
	publisher = {Plenum Press},
	organization = {Plenum Press},
	address = {New York},
	keywords = {Commerce, Indians of North America Antiquities, Indians of North America Commerce, North America Antiquities., Prehistoric North America},
	isbn = {0306447568},
	author = {Earle, Timothy K.},
	editor = {Baugh, Timothy G. and Ericson, Jonathon E.}
}