@book{38512,
	author = {Krawetz, Neal. and ebrary, Inc.},
	title = {Introduction to network security},
	publisher = {Charles River Media,},
	year = {c2007.},
	series = {Charles River Media networking series},
	address = {Boston, Mass. :},
	edition = {1st ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10228225}
}