@mastersthesis {37834,
	title = {Black spruce from peatland and upland habitats in Alberta: Population variation and differentiation},
	volume = {Forest Science},
	year = {1991},
	address = {University of Alberta},
	keywords = {Picea},
	url = {http://search.proquest.com/docview/238018494},
	author = {Wang, Zhang Ming}
}
