@Misc{BVMC:688511, author = {Rojas Sarmiento, Juan de}, title = {Illustris viri D. Ioannis de Roias Commentariorum in Astrolabium quod planisphaerium vocant libri sex nunc primum in lucem editi ...}, url = {https://www.cervantesvirtual.com/obra/illustris-viri-d-ioannis-de-roias-commentariorum-in-astrolabium-quod-planisphaerium-vocant-libri-sex-nunc-primum-in-lucem-editi-} }