@book{22075,
	author = {Alfonso  and Rico y Sinobas, Manuel,},
	title = {Libros del saber de astronomía del Rey D. Alfonso X de Castilla /},
	editor = {(Tip. de Don Eusebio Aguado)},
	publisher = {[s.n., },
	year = {1863-1867},
	address = {Madrid : },
	url = {http://bdh-rd.bne.es/viewer.vm?id=0000134992&page=1 }
}