@book{268785,
	author = {Ruíz Vasallo, Francisco and Prados, Enrique Oños},
	title = {Tranformadores convertidores},
	publisher = {Ceac},
	year = {1979},
	series = {Enciclopedia CEAC de Eléctricidad},
	address = {Barcelona},
	edition = {3a ed.}
}