@book{33547,
	author = {National Research Council (U.S.). and McDonald, John C., and National Research Council (U.S.).},
	title = {Growing vulnerability of the public switched networks},
	publisher = {National Academy Press,},
	year = {1989.},
	address = {Washington, D.C. :},
	note = {Committee chairman: John C. McDonald.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10071945}
}