@Book{BVMC:718466, author = {Altamira, Rafael}, title = {Carta de Rafael Altamira a Antonio Maura. Madrid, 4 de abril de 1896}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2015}, year = {2015}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0s1m7} }