@Book{BVMC:724986, author = {Martínez, A.}, title = {Tarjeta postal de A. Martínez a Rafael Altamira. Ciudad Real, 6 de junio de 1909}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2015}, year = {2015}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcms5n8} }