@book{53745,
	author = {National Research Council (U.S.). and Citro, Constance F. and ebrary, Inc.},
	title = {Technical papers},
	publisher = {National Academy Press,},
	year = {1991.},
	series = {Improving information for social policy decisions ;},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10078098}
}