@misc{Gemma-Frisius_Cornelis_(1535-1579)_De_1575,
 author={Gemma-Frisius, Cornelis (1535-1579)},
 year={1575},
 rights={Domena publiczna (Public domain)},
 publisher={Plantin, Christophe (1520?-1589). Druk.},
 language={lat},
 type={stary druk},
 title={De Naturae Divinis Characterismis Seu Raris [et] admirandis spectaculis, causis, indiciis, proprietatibus rerum in partibus singulis universi Libri II [...]},
 keywords={astronomia - 16 w.},
}