@book{45832,
	author = {Gutiérrez Pulido, Humberto and Vara Salazar, Román de la.},
	title = {Control Estadístico de la Calidad y Seis Sigma.},
	publisher = {McGraw-Hill,},
	year = {2013.},
	address = {México :},
	edition = {3.},
	note = {Incluye bibliografía e índice.}
}