@Book{BVMC:292747, author = {Monner Sans, R.}, title = {Carta de Ricardo Monner Sans a Rafael Altamira. Buenos Aires, 4 de agosto de 1909}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2012}, year = {2012}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcns1f5} }