@misc{Kopernik_Mikołaj_(1473-1543)_De,
 author={Kopernik, Mikołaj (1473-1543)},
 address={Norimbergae},
 howpublished={online},
 publisher={apud Ioh. Petreium},
 language={lat},
 title={De revolutionibus orbium coelestium, libri VI},
 type={starodruk},
 keywords={astronomia, heliocentryzm},
}