@unpublished {jubilaeum650-5352,
	title = {Recent Developments in international Mobility},
	journal = {NBER Working Papers 15889},
	year = {2010},
	note = {Export Filemaker Zeile 5352},
	pages = {91},
	address = {Cambridge, MA},
	keywords = {1945-2000, Soziale Mobilit{\"a}t, Statistik},
	url = {http://www.nber.org/papers/w15889},
	author = {Sandra E. Black and Paul J. Devereux}
}
