@misc{Bruhns_Carl_(1830-1881)_Copernicus,
 author={Bruhns, Carl (1830-1881)},
 address={Leipzig},
 howpublished={online},
 publisher={Verlag von Duncker & Humblot},
 language={ger},
 type={artykuł},
 title={Copernicus Nicolaus},
}