@misc{Caspar_Max_(1880-1956)_Kopernikus,
 author={Caspar, Max (1880-1956)},
 address={Freiburg (Schweiz)},
 howpublished={online},
 publisher={Herder & Co. G.M.B.H. Verlagsbuchhandlung},
 language={ger},
 title={Kopernikus},
 type={artykuł},
}