@inbook {, title = {Egalitarian exchange systems in California: A preliminary view}, booktitle = {Exchange systems in prehistory}, series = {Studies in archeology}, year = {1977}, note = {76013933 //r91edited by Timothy K. Earle, Jonathon E. Ericson.Includes bibliographies and index.}, pages = {109-126}, publisher = {Academic Press}, organization = {Academic Press}, address = {New York}, keywords = {Commerce, Prehistoric}, isbn = {0122276507}, author = {Ericson, Jonathon E.}, editor = {Earle, Timothy K. and Ericson, Jonathon E.} }