@book{29352,
	author = {Muñoz de Madariaga, Juan José},
	title = {Manual de geología :},
	publisher = {Direccion y Administracion,},
	year = {1881},
	series = {Biblioteca enciclopédica popular ilustrada.},
	address = {Madrid :},
	note = {Peu d'impremta al verso de la port.: Madrid : Est. Tip.-Editorial de G. Estrada, 1881}
}