@misc{Natanson_Władysław_(1864-1937)_Drobne,
 author={Natanson, Władysław (1864-1937)},
 howpublished={online},
 language={eng},
 language={fre},
 language={pol},
 title={Drobne prace Władysława Natansona},
 type={rękopis},
}