@book{158282,
	author = {Romer, David. and Brookings Institution.},
	title = {Brookings papers on economic activity.},
	publisher = {Brookings Institution,},
	year = {2009.},
	series = {Brookings papers on economic activity ;},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10338453}
}