@Book{BVMC:1050333, author = {Estevan, Cristóbal}, title = {Carta de Cristóbal Estevan a Rafael Altamira. Madrid, 28 de noviembre de 1911}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2020}, year = {2020}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1050333} }