Varien, Mark. Anon.1997. New perspectives on settlement patterns: Sedentism and mobility in a social landscape. Anthropology. Anthropology. Arizona State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=739774541&sid=19&Fmt=2&clientId=43922&RQT=309&VName=PQD.