@Book{BDG201890702351, title = "Los ocho libros de cuestiones naturales", author = "S\'{e}neca, Lucio Anneo", publisher = "Buenos Aires : Espasa-Calpe, S.A.", editor = "Espasa-Calpe, S.A.", series = "(Historia y filosof\'{\i}a de la ciencia. Serie menor ; 23)", URL = "http://biblioteca.galiciana.gal/es/consulta/registro.do?id=492241", year = "1948", }