@book{719,
	author = {Roncaglia, Alessandro, and ebrary, Inc.},
	title = {Piero Sraffa},
	publisher = {Routledge,},
	year = {2000.},
	series = {Routledge studies in the history of economics ;},
	address = {London :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=5004093}
}