@Book{BVMC:292726, author = {Martínez, Miguel F.}, title = {Carta de Miguel F. Martínez a Rafael Altamira. México, 31 de enero de 1910}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2012}, year = {2012}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmccg0b7} }