@Book{BVMC:582673, author = {Díaz y Díaz, Adolfo}, title = {Carta de Adolfo Díaz y Díaz a Rafael Altamira. Habana, 22 de febrero de 1910}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2013}, year = {2013}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcbs0g9} }