@book{143430,
	author = {Batabyal, Amitrajeet A., and ebrary, Inc.},
	title = {Research tools in natural resource and environmental economics},
	publisher = {World Scientific,},
	year = {c2011.},
	address = {Hackensack, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10524630}
}