@book{4058,
	author = {Martínez, Julián and Ganuza, José Luis},
	title = {Ms-Dos 5},
	publisher = {Anaya Multimedia},
	year = {1992},
	address = {Madrid :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L127221.jpg}
}