@misc{Koppens_Leon._Miniatury_1922,
 author={Koppens, Leon. and Gemma},
 copyright={Public Domain},
 address={Wiedeń},
 howpublished={online},
 year={1922},
 publisher={Biblioteka Międzynarodowa "Gemma"},
 language={pol},
 title={Miniatury : poezje},
 type={Text},
 URL={http://rcin.org.pl/Content/219690/PDF/WA248_249808_I-325_miniatury_o.pdf},
 keywords={Polish poetry - 1/20 c.},
}