@misc{Ruczyński_Teofil_(1896-1979)_Nicolaus,
 author={Ruczyński, Teofil (1896-1979)},
 address={Olsztyn},
 howpublished={online},
 publisher={[s.n.]},
 language={pol},
 title={Nicolaus Copernicus},
 type={artykuł},
}