@book{143280,
	author = {Forcada, Amadeo Domingo and Ramírez Vázquez, José},
	title = {Pilas y acumuladores, máquinas de corriente contínua},
	publisher = {Centro de Estudios de Arquitectura Contemporánea},
	year = {1973},
	series = {Enciclopedia CEAC de Electricidad},
	address = {Barcelona}
}