@misc{Korwin_Florian._Autor_Letuwa_[około, author={Korwin, Florian. Autor}, copyright={Public Domain}, address={Wilno}, howpublished={online}, year={[około 1918]}, publisher={nakładem matki autora}, language={pol}, type={Text}, title={Letuwa}, URL={http://rcin.org.pl./Content/239265/WA248_275591_F-4639_korwin-letuwa_o.pdf}, }