@book{57770,
	author = {Lamartine, Alphonse de, and López Ballesteros y de Torres, Luis,},
	title = {Guillaume Tell =},
	publisher = {Revista de Educación Familiar,},
	year = {[entre 1950 i 1959?]},
	series = {Nueva colección de novelas bilingües ;},
	address = {Madrid :}
}