@Book{BVMC:1224042, author = {Ptolomeo, Claudio}, title = {Almagestum Cl. Ptolemei Pheludiensis Alexandrini astronomorum : opus ingens ac nobile omnes celorum motus continens}, url = {https://www.cervantesvirtual.com/obra/almagestum-cl-ptolemei-pheludiensis-alexandrini-astronomorum-opus-ingens-ac-nobile-omnes-celorum-motus-continens-1224042} }