@book{172471,
	author = {National Research Council (U.S.). and ebrary, Inc.},
	title = {Wolves, bears, and their prey in Alaska},
	publisher = {National Academy Press,},
	year = {1997.},
	address = {Washington, DC :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10057066}
}