@mastersthesis {36139,
	title = {The annual tree ring growth of black spruce in relation to climate and drainage in some natural and drained peatlands in Alberta},
	volume = {Forest Science},
	year = {1988},
	address = {University of Alberta},
	keywords = {Picea},
	url = {http://search.proquest.com/docview/303601099},
	author = {Dang, Qing Lai}
}
