@book{248780,
	author = {Mantau, Udo. and ebrary, Inc.},
	title = {Recreational and environmental markets for forest enterprises},
	publisher = {CABI Pub.,},
	year = {c2001.},
	address = {Wallingford, Oxon, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10172425}
}