@Book{BVMC:292603, title = {Tarjeta postal de R. S. a Rafael Altamira. Gmunden (Austria), agosto de 190-?}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2012}, year = {2012}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcw38f9} }