@book{133127,
	author = {National Research Council (U.S.)},
	title = {Signposts in cyberspace},
	publisher = {National Academies Press,},
	year = {c2005.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10160733}
}