@book{57370,
	author = {Wager, Felix C. and ebrary, Inc.},
	title = {Agricultural production},
	publisher = {Nova Science Publishers,},
	year = {c2011.},
	series = {Agriculture issues and policies},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10675001}
}