@book{53670,
	author = {Triplett, Jack E. and Bosworth, Barry, and ebrary, Inc.},
	title = {Productivity in the U.S. services sector},
	publisher = {Brookings Institution Press,},
	year = {c2004.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10077287}
}