@misc{_Napoleon,
 copyright={Public Domain},
 howpublished={online},
 title={Napoleon Ignacy Czerwiakowski},
 type={Image},
 URL={http://www.rcin.org.pl/Content/185771/PDF/WA058_188499_Czerwiakowski_Napoleon-Ignacy.pdf},
 keywords={Czerwiakowski, Napoleon Ignacy (1808-1882), botanists, medicals, academics, biologists - Poland - biography},
}