@Book{BVMC:292596, author = {Pérez Galdós, Benito}, title = {Carta de Benito Pérez Galdós a Rafael Altamira. Madrid, 8 de enero de 1893}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2012}, year = {2012}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcsb4r7} }