@misc{_Witold,
 copyright={Public Domain},
 howpublished={online},
 title={Witold Niesiołowski},
 type={Image},
 URL={http://rcin.org.pl/Content/153263/PDF/WA058_161221_Niesiolowski_Witold.pdf},
 keywords={Niesiołowski, Witold (1866-1954), zoologists, entomologists, physiographers, collectors and collecting, biologists - Poland - biography},
}