@Misc{FIL20120017450, title = "Alfonso El Sabio: Cantigas de Santa Maria [Recurso en linea]", author = "Alfonso X , Rey de Castilla, 1221-1284. Cantigas de Santa Mar\'{\i}a", publisher = "Reisen : Arts Music e.K.", editor = "Arts Music e.K.", URL = "http://www.larramendi.es/es/consulta/registro.do?id=7070", year = "2006", }