@Book{ARA20100004272, title = "Joaqu\'{\i}n Costa : siglo XIX", author = "Ciges Aparicio, M., 1873-1936", publisher = "Madrid : M. Aguilar", editor = "M. Aguilar", series = "(Biblioteca de cultura espa\~{n}ola)", URL = "https://bibliotecavirtual.aragon.es/es/consulta/registro.do?id=2049", year = " ", }