@mastersthesis {29395,
	title = {Ruffed grouse ecology in central Alberta: Demography, winter feeding activities, and the impact of fire},
	year = {1973},
	address = {University of Wisconsin-Madison},
	keywords = {Aves},
	url = {http://search.proquest.com/docview/302658112},
	author = {Doerr, Phillip David}
}
