@book{94069,
	author = {Smale, Melinda. and ebrary, Inc.},
	title = {Valuing crop biodiversity},
	publisher = {CABI Pub.,},
	year = {c2006.},
	address = {Wallingford, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10157947}
}