@Misc{BVMC:267939, author = {Valera, Juan}, title = {Cartas desde Rusia. Tomo II}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes ; Madrid : Biblioteca Nacional, 2011}, year = {2011}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1g0s4} }