@book{41635,
	author = {National Research Council (U.S.). and ebrary, Inc.},
	title = {Safety is seguridad},
	publisher = {National Academies Press,},
	year = {2003.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10068493}
}