@Misc{BVMC:267600, author = {Manjarrés, Ramón de}, title = {Don Jorge Juan y Don Antonio de Ulloa : La medición del arco terrestre. La historia del platino [II]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2010}, year = {2010}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmctx3h3} }