@misc{Birkenmajer_Ludwik_Antoni_(1855–1929)_Leonardo_[1922],
 author={Birkenmajer, Ludwik Antoni (1855–1929)},
 copyright={Public Domain},
 address={[Kraków]},
 howpublished={online},
 year={[1922]},
 publisher={s. n.},
 language={pol},
 title={Leonardo da Vinci i Kopernik jako universalne genjusze renesansowe},
 type={Text},
 URL={http://rcin.org.pl/Content/17903/PDF/WA004_13555_U3555_Birkenmajer-Leonardo.pdf},
 keywords={Kopernik, Mikołaj (1473-1543), Leonardo da Vinci (1452-1519)},
}