@book{114772,
	author = {Bergerud, A. T. and ebrary, Inc.},
	title = {Adaptive strategies and population ecology of northern grouse.},
	publisher = {University of Minnesota Press,},
	year = {c1988.},
	address = {Minneapolis :},
	note = {A Wildlife Management Institute-sponsored book."},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10194427}
}