@book{161220,
	author = {Chapman, D. Brent. and Zwicky, Elizabeth D.},
	title = {Construya firewalls para internet},
	publisher = {McGraw-Hill},
	year = {c1997.},
	address = {México},
	edition = {Minor corrections, Nov. 1995.},
	note = {Translation of: Building Internet firewalls.}
}