@misc{_Michał,
 copyright={Public Domain},
 howpublished={online},
 type={Image},
 title={Michał Kłapacz},
 URL={http://rcin.org.pl./Content/87744/PDF/WA058_90956_Klapacz_M1.pdf},
 keywords={Kłapacz, Michał (?-1959), entomologists, zoologists, collectors and collecting, biologists - Poland - biography},
}