@book{231131,
	author = {Abowd, John M. and ebrary, Inc.},
	title = {Immigration, trade, and the labor market},
	publisher = {University of Chicago Press,},
	year = {1991.},
	series = {National Bureau of Economic Research project paper},
	address = {Chicago :},
	note = {"Papers presented at a conference held in Cambridge, Massachusetts, 11-12 September 1987"--Pref.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10216919}
}