@misc{Kühn_Fridericus_(?-1675)_Ducatus,
 author={Kühn, Fridericus (?-1675)},
 address={[Amsterdam]},
 howpublished={online},
 publisher={[Blaeu, Joan (1596-1673)]},
 language={ger},
 language={lat},
 title={Ducatus Silesiae Schwidnicensis Authore Friduico Kuhnovio Bolco lucano Silesio},
 keywords={17 w., mapy, księstwo świdnickie, kartografia, Atlas Machnizkich t. V},
}