@book{1687,
	author = {Western, David. and ebrary, Inc.},
	title = {Natural connections},
	publisher = {Island Press,},
	year = {c1994.},
	address = {Washington, D.C. :},
	note = {Proceedings of a workshop held in Airlie, Va., Oct. 18-22, 1993.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=5002308}
}