@article {28610,
	title = {Seasonal and annual trends in numbers of Alberta ruffed grouse},
	volume = {35},
	year = {1971},
	pages = {803-822},
	publisher = {Journal of Wildlife Management},
	keywords = {Bonasa umbellus},
	url = {http://www.jstor.org/stable/3800025},
	author = {Rusch, Donald H. and Keith, Lloyd B.}
}
