@misc{Regiomontanus_Joannes_Tabulae,
 author={Regiomontanus, Joannes},
 howpublished={online},
 publisher={Petr. Lichtenstein},
 language={lat},
 type={starodruki},
 title={Tabulae directionum profectionumque},
 keywords={stare druki Biblioteka PTPN},
}