@book{31313,
	author = {Hay, Edward J. and Cárdenas, Margarita,},
	title = {Justo a tiempo :},
	publisher = {Editorial Norma,},
	year = {1994.},
	address = {Bogotá :},
	note = {Titulo original. The just-in-time breakthrough : implementing the new manufacturing basics.}
}