@book{123634,
	author = {Olson, Sigurd F., and Backes, David. and ebrary, Inc.},
	title = {The meaning of wilderness},
	publisher = {University of Minnesota Press,},
	year = {c2001.},
	address = {Minneapolis :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10180206}
}