@Article{BVMC:715227, author = {Keyserling, Hermann, Graf von}, title = {Perspectivas sudamericanas}, journal = {Sur : revista trimestral. Año I, otoño 1931}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2015}, year = {2015}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcmd0w7} }