@book{82846,
	author = {Niebel, Benjamin W.},
	title = {Ingenieria industrial :},
	publisher = {Alfaomega,},
	year = {1996.},
	series = {Alfaomega},
	address = {México, D.F. :},
	note = {Trad. de : Motion and time study 9ed., 1993}
}