@book{3837,
	author = {Leibenstein, Harvey. and ebrary, Inc.},
	title = {General X-efficiency theory and economic development},
	publisher = {Oxford University Press,},
	year = {1978.},
	series = {Economic development series},
	address = {New York :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10279274}
}