@Book{BVMC:928151, author = {Pérez, Arturo}, title = {Carta de Arturo Pérez a Rafael Altamira. San José (Costa Rica), 27 de julio de 1910}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2018}, year = {2018}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0928151} }