@misc{Kopernik_Mikołaj_(1473–1543)_Septem,
 author={Kopernik Mikołaj (1473–1543)},
 copyright={PAN Biblioteka Kórnicka},
 howpublished={online},
 publisher={Drukarnia Franciszka Cezarego},
 language={lat},
 type={starodruki},
 title={Septem sidera},
 keywords={poematy religijne},
}