@book{37647,
	author = {Arnold, Jens Matthias.  and Mattoo, Aaditya  and World Bank.},
	title = {Services Inputs and Firm Productivity in Sub-Saharan Africa : },
	publisher = {World Bank,},
	year = {2006.},
	series = {Policy research working paper ;},
	address = {Washington, D.C. :},
	note = {Title from PDF file as viewed on 2/7/2006.}
}