@book{104979,
	author = {Swärd, Knut. and Cisneros, Luis Ma. J. de,},
	title = {Mantenimiento de las maquinas herramientas },
	publisher = {Blume,},
	year = {1972.},
	address = {Barcelona, España :},
	edition = {1a ed.},
	note = {Incluye índice.}
}