@book{39237,
	author = {Steckel, Richard H. and ebrary, Inc.},
	title = {Health and welfare during industrialization},
	publisher = {University of Chicago Press,},
	year = {1997.},
	series = {National Bureau of Economic Research project report},
	address = {Chicago, Ill. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10229985}
}