@book{11553,
	author = {Bruce, Julia and Sevillano Ureta, María Jesús and LIBSA},
	title = {Enciclopedia  del saber : },
	publisher = {Libsa,},
	year = {2010.},
	series = {Enciclopedia del saber},
	address = {Madrid :},
	note = {Incluye índice.}
}