@book{7645,
	author = {SANCHEZ SANCHEZ, JORGE A. and INSTITUTO TECNOLOGICO DE TUXTLA GUTIERREZ.},
	title = {SEGURIDAD EN SISTEMAS DE SOFTWARE/ },
	publisher = {EL AUTOR},
	year = {2001},
	address = {TUXTLA GTZ., CHIS.: },
	note = {BIBLIOGRAFIA: P. [133].}
}