@Book{BVMC:292764, author = {Leubelon, R.}, title = {Carta de [R. Leubelon?] a Rafael Altamira. Buenos Aires, 17 de agosto de 1909}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2012}, year = {2012}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcg45b6} }