@Book{BVMC:292666, author = {Ibarra y Rodríguez, Eduardo}, title = {Tarjeta postal de E. Ibarra a Rafael Altamira. Zaragoza, 4 de abril de 1905}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2013}, year = {2013}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcvt2b8} }