@book{50074,
	author = {Ochoa, Carlos Alberto. and e-libro, Corp.},
	title = {Principales máquinas herramientas utilizadas en la industria metal mecánica},
	publisher = {Monografías,},
	year = {[2007]},
	address = {[Buenos Aires] :},
	url = {https://elibro.net/ereader/politecnicointernacional/34452}
}