@book{143247,
	author = {Dagá Gelabert, Pedro and Oñós Prados, Enrique},
	title = {Transformadores, convertidores},
	publisher = {Centro de Estudios de Arquitectura Contemporánea},
	year = {1974},
	series = {Enciclopedia CEAC de Electricidad},
	address = {Barcelona}
}