@Misc{BVMC:278888, author = {Berro, Adolfo}, title = {Carta de Adolfo Berro a Esteban Echeverría (29-2-1840)}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010}, year = {2010}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc7m0t1} }