@book{58242,
	author = {Thernstrom, Stephan. and Joint Center for Urban Studies.},
	title = {Poverty and progress},
	publisher = {Harvard University Press,},
	year = {1964.},
	series = {A Publication of the Joint Center for Urban Studies of the Massachusetts Institute of Technology and Harvard University},
	address = {Cambridge :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10314338}
}