@misc{_Jan,
 copyright={Public Domain},
 howpublished={online},
 title={Jan Dembowski},
 type={Image},
 URL={http://rcin.org.pl/Content/79608/PDF/WA058_90747_Dembowski_2.pdf},
 keywords={Dembowski, Jan (1889-1963), biologists, academics, promoters of science, lecturers},
}