@book{18970,
	author = {Burger, Kees. and ebrary, Inc.},
	title = {Sustainable land management in the tropics},
	publisher = {Ashgate Pub.,},
	year = {c2009.},
	series = {International land management series},
	address = {Farnham, Surrey, England ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10281390}
}