@misc{Bourmeister-Radoszkowski_Oktawiusz_Wincenty_de_(1820–1895)_Sur_[ok.,
 author={Bourmeister-Radoszkowski, Oktawiusz Wincenty de (1820–1895)},
 copyright={Public Domain},
 address={[S. Petersburg]},
 journal={Publications of famous biologists - a collection of prints},
 howpublished={online},
 year={[ok. 1887]},
 publisher={[unknown]},
 language={fre},
 type={Text},
 title={Sur quelques Osmia russes},
 URL={http://rcin.org.pl/Content/114700/PDF/s894a.pdf},
 keywords={Insects - Osmia - Russian species - a museum in London, Insects - Osmia},
}