@book{236742,
	author = {Frumkin, Norman. and ebrary, Inc.},
	title = {Guide to economic indicators},
	publisher = {M.E. Sharpe,},
	year = {c2006.},
	address = {Armonk, N.Y. :},
	edition = {4th ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10178121}
}