@book{43826,
	author = {Clark, Gregory,},
	title = {A farewell to alms :},
	publisher = {Princeton University Press,},
	year = {c2007.},
	series = {The Princeton economic history of the western world},
	address = {Princeton :},
	url = {http://www.loc.gov/catdir/toc/ecip0715/2007015166.html}
}