@mastersthesis {489,
	title = {The Stability of the Northern Canadian Tree Limit: Current Regenerative Capacity},
	volume = {PhD},
	year = {1979},
	school = {University of Colorado},
	url = {http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=751614031\&sid=5\&Fmt=1\&clientId=43922\&RQT=309\&VName=PQD},
	author = {Elliott, Deborah}
}
