@Misc{BVMC:239060, author = {Alas, Leopoldo}, title = {Benito Pérez Galdós : estudio crítico-biográfico}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2001}, year = {2001}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcjs9n0} }