@mastersthesis {33745,
	title = {Comparative autecology of Cassiope spp. at treeline in Jasper National Park, Alberta},
	volume = {Botany},
	year = {1983},
	pages = {267},
	address = {University of Alberta},
	url = {http://search.proquest.com/docview/193744596},
	author = {Harter, John Edward}
}
