@book{248216,
	author = {Schj�nning, P. and ebrary, Inc.},
	title = {Managing soil quality},
	publisher = {CABI Pub.,},
	year = {c2004.},
	address = {Wallingford, Oxon ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10173496}
}