Wendland, Wayne Marcel. 1971. ?Dating The Temporal Limits Of Climatic Episodes During The Holocene?. University of Wisconsin. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=758273691&sid=8&Fmt=1&clientId=43922&RQT=309&VName=PQD.