@book{7170,
	author = {Román, Sara.},
	title = {Relaciones laborales y contratación colectiva en la industria de la transformación del hule},
	publisher = {Fundación Friedrich Ebert,},
	year = {1992},
	series = {Economics. Working paper},
	address = {México, D.F. :},
	note = {64-137}
}