@book{45138,
	author = {Tiller, James S. and ebrary, Inc.},
	title = {A technical guide to IPSec virtual private networks},
	publisher = {CRC Press,},
	year = {c2001.},
	address = {Boca Raton, FL :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10074937}
}