@Book{BVMC:757112, author = {Varela, Luis V.}, title = {Carta de Luis V. Varela a Rafael Altamira. 3 de julio de 1909}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2016}, year = {2016}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc5m874} }