@article {29576,
	title = {Characteristics of winter feeding aggregations of ruffed grouse in Alberta},
	volume = {38},
	year = {1974},
	pages = {601-615},
	publisher = {Journal of Wildlife Management},
	url = {http://www.jstor.org/stable/3800026},
	author = {Doerr, Phillip D. and Keith, Lloyd, B. and Rusch, Donald H. and Fischer, Charles A.}
}
