@misc{_Sergiusz,
 copyright={Public Domain},
 howpublished={online},
 type={Image},
 title={Sergiusz Toll},
 URL={http://www.rcin.org.pl/Content/135903/PDF/WA058_152467_Sergiusz-Toll_KEF559.pdf},
 keywords={Toll, Sergiusz (1893-1961), entomologists, lepidopterologists, collectors and collecting, biologists - Poland - biography},
}