@Book{BVMC:703780, author = {Dernagas, Silvestre}, title = {[Nota de Silvestre Dernagas a Alberto Madero. Chihuahua]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmckd3s2} }