@book{6724,
	author = {HERNANDEZ DE LEON, HERCTOR RICARDO.},
	title = {APUNTES : },
	publisher = {EL AUTOR},
	year = {1996},
	address = {TUXTLA GTZ., CHIS.: },
	note = {BIBLIOGRAFIA: P. 76. \ A LA CABEZA DE LA   PORTADA: I.T. DE TUXTLA GUTIERREZ.}
}