@mastersthesis {716, title = {An ecological model of trade: Prehistoric economic change in the northern Rio Grande region of New Mexico}, volume = {PhD}, year = {1977}, school = {University of Arizona}, url = {http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=759276391\&sid=29\&Fmt=1\&clientId=43922\&RQT=309\&VName=PQD}, author = {Gordon Bronitsky} }