@Book{BVMC:717074, author = {Altamira, Rafael}, title = {Carta de Rafael Altamira a Fernando Llorca. Madrid, 27 de febrero de 1931}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2015}, year = {2015}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmchh8f2} }