@book{634,
	author = {Strassberg, Keith. and Gondek, Richard.},
	title = {Firewalls :},
	year = {c2002.},
	address = {New York ; McGraw-Hill/Osborne,},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/mh031/2002512431.html}
}