@book{116862,
	author = {Arnal, J. Vicenta and García-Escalera, Inés},
	title = {El mundo del saber},
	publisher = {Editorial Ramón Sopena},
	year = {[1970]},
	series = {Biblioteca Hispánica},
	address = {Barcelona},
	edition = {Nueva ed. rev. y ampliada.}
}