@book{33700,
	author = {Clark, Susan G., and ebrary, Inc.},
	title = {Ensuring greater Yellowstone's future},
	publisher = {Yale University Press,},
	year = {c2008.},
	address = {New Haven, Conn. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10347214}
}