@misc{_Regnum,
 address={Amstelodami},
 howpublished={online},
 publisher={Wit, Frederick de (1630-1706)},
 language={lat},
 title={Regnum Bohemia, eique annexae Provinciae, ut Ducatus Silesia, Marchionatus Moravia et Lusatia [...]},
 keywords={Śląsk, 17 w., Czechy, Łużyce, mapy, Morawy, kartografia, Atlas Machnizkich t. V},
}