@book{185170,
	author = {Garfinkel, Simson. and Spafford, Gene.},
	title = {Seguridad y comercio en el web},
	publisher = {Mc Graw Hill},
	year = {(1999).},
	address = {México,D.F.},
	note = {Translation of : Web Security and Commerce , c 1997.}
}