@Book{BVMC:582889, author = {Castro, Alberto Osório de}, title = {Tarjeta postal de Alberto Osório de Castro a Rafael Altamira. 30 de julio de 1906}, publisher = { Alicante : Biblioteca Virtual Miguel de Cervantes, 2013}, year = {2013}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc7q0p7} }