@misc{Brückner_Aleksander_(1856–1939)._Autor_Pierwszy_1891,
 author={Brückner, Aleksander (1856–1939). Autor},
 copyright={Public Domain},
 address={Warszawa},
 howpublished={online},
 year={1891},
 publisher={[wydawca nieznany]},
 language={pol},
 title={Pierwszy wiersz polski},
 type={Text},
 URL={http://www.rcin.org.pl/Content/240934/WA248_276966_F-6877-a_bruckner-pierwszy_o.pdf},
 keywords={Polish medieval literature [until 1543]},
}