@booklet {,
	title = {Contexts for Prehistoric Exchange},
	journal = {Studies in archaeology},
	year = {1982},
	note = {82013861 //r91edited by Jonathon E. Ericson, Timothy K. Earle.Includes bibliographies and index.},
	pages = {xvi, 321},
	publisher = {Academic Press},
	address = {New York},
	keywords = {Economics, Exchange History, Prehistoric},
	isbn = {0122415809},
	author = {Ericson, Jonathon E. and Earle, Timothy K.}
}