@misc{Niemcewicz_Julian_Ursyn_(1758–1841)_Pieśń_1812],
 author={Niemcewicz, Julian Ursyn (1758–1841)},
 copyright={Public Domain},
 address={[Warszawa},
 howpublished={online},
 year={1812]},
 publisher={s.n.},
 language={pol},
 title={Pieśń woienna : [Inc.:] Do koni, bracia, do koni},
 type={Text},
 URL={http://www.rcin.org.pl/Content/237455/WA248_273520_F-4090_niemcewicz-piesn_o.pdf},
 keywords={Polish poetry - 18th c. [1764-1822]},
}