@misc{_Zygmunt_[1935],
 copyright={Public Domain},
 howpublished={online},
 year={[1935]},
 title={Zygmunt Mokrzecki - portrait},
 type={Image},
 URL={http://rcin.org.pl/Content/73412/WA058_88626_Mokrzecki_Warszawa-1935.pdf},
 keywords={Mokrzecki, Zygmunt (1865-1936), zoologists, entomologists, academics, SGGW, biologists - Poland - biography},
}