@book{343,
	author = {Politis, R and Vanryb, B.},
	title = {El sistema operativo MS-DOS, PC-DOS},
	publisher = {Editorial G. Gilli},
	year = {1986.},
	series = {Colección Informática de gestión},
	address = {Barcelona},
	note = {Translation of MS-DOS & PC-DOS.}
}