@misc{_Benedykt_[1944],
 copyright={Public Domain},
 howpublished={online},
 year={[1944]},
 title={Benedykt Karczewski},
 type={Image},
 URL={http://rcin.org.pl/Content/87578/PDF/WA058_90948_Karczewski_P1964.pdf},
 keywords={Karczewski, Benedykt (1926-1966), zoologists, entomologists, agronomists, biologists - Poland - biography, Dybowski, Benedykt (1833-1930) - family, Ruszkowski, Jerzy (1887-1934) - students},
}