@Misc{BVMC:701807, author = {Ptolomeo, Claudio}, title = {Almagestu[m] Cl. Ptolemei... : opus ingens ac nobile omnes celoru[m] motus continens}, url = {https://www.cervantesvirtual.com/obra/almagestum-cl-ptolemei--opus-ingens-ac-nobile-omnes-celorum-motus-continens-0} }