@Book{BVMC:711345, author = {Barras de Aragón, Francisco de las}, title = {Tarjeta postal de [Francisco de las] Barras a Rafael Altamira. Sevilla, 1908}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2015}, year = {2015}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0c6s9} }