@misc{Regiomontanus_Johannes_(1436-1476)_Epitoma, author={Regiomontanus, Johannes (1436-1476)}, howpublished={online}, publisher={Joannes Hamman pro Casparo Grosch et Stephano Römer}, language={lat}, title={Epitoma in Almagestum Ptolemaei inchoatum a Georgio Purbachio}, type={inkunabuł}, keywords={astronomia, 1401-1500, Ptolemaeus, Claudius (ca 100-ca 178)}, }