@Book{BVMC:1224018, author = {Garlandus Compotista}, author = {Balduinus de Mardochio}, author = {Johannes de Sacro Bosco}, author = {Pseudo-Mashaallah}, author = {Petrus de Dacia}, author = {Grosseteste, Robert}, author = {Ibn al-Zurqalla, Ibrahim ibn Yahyà}, author = {Thābit ibn Qurrah al-Ḥarrānī}, author = {Gherardo da Cremona}, author = {Bacon, Roger}, title = {[Tractatus varii de computo et de astronomia] (Ms. 2662)}, url = {https://www.cervantesvirtual.com/obra/tractatus-varii-de-computo-et-de-astronomia-ms-2662-1224018} }