@book{60942,
	author = {Maynard, Harold Bright. and Methods Engineering Council.},
	title = {El estudio de los tiempos como base del control de la mano de obra /},
	editor = {Samarán)},
	publisher = {s.n., },
	year = {1947] (},
	series = {Métodos de fabricación},
	address = {[S.l. : }
}