@mastersthesis {44975,
	title = {The effect of opening size on light, temperature and the growth of white spruce under a trembling aspen canopy},
	volume = {Renewable Resources},
	year = {2003},
	pages = {145},
	address = {University of Alberta},
	url = {http://search.proquest.com/docview/305262506},
	author = {Pritchard, Janet Marie}
}
