@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.} }