@book{39306,
	author = {Kotlikoff, Laurence J. and Smith, Daniel E. and ebrary, Inc.},
	title = {Pensions in the American economy},
	publisher = {University of Chicago Press,},
	year = {1983.},
	series = {National Bureau of Economic Research monograph},
	address = {Chicago :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10230062}
}