@Book{BVMC:292770, title = {Tarjeta de Adolfo [Sacaras] a Rafael Altamira. [S.l.], 19 de agosto de 1909}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2012}, year = {2012}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmctf0h3} }