@misc{Birecki_Leon_(1858–_)_Ontologia_1901,
 author={Birecki, Leon (1858– )},
 copyright={Public Domain},
 address={Przemyśl},
 howpublished={online},
 year={1901},
 publisher={Nakład autora},
 publisher={(Z drukarni Leona Schwarza)},
 language={pol},
 type={Text},
 title={Ontologia : (metafizyka)},
 keywords={epistemology, ontology},
}