@misc{Butlerow_A._Jak_1886,
 author={Butlerow, A.},
 editor={Jakubowski, Julian. Tłumacz},
 copyright={Public Domain},
 address={Warszawa},
 howpublished={online},
 year={1886},
 publisher={[wydawca nieznany]},
 language={pol},
 title={Jak hodować pszczoły},
 type={Text},
 URL={http://www.rcin.org.pl/Content/80224/PDF/WA058_102657_K14511_Jak-hod-pszczo-Butl.pdf},
 keywords={Apis mellifera, bee culture - Poland - 19th century, bees - breeding, bee culture - handbooks, manuals, etc.},
}