@misc{_Helena,
 copyright={Public Domain},
 howpublished={online},
 title={Helena Modrzejewska},
 type={Image},
 URL={http://www.rcin.org.pl/Content/125089/PDF/WA058_109764_Modrzejewska_1937.pdf},
 keywords={Modrzejewska, Helena (1905-1944), zoologists, academics, Janicki, Konstanty (1876-1932) - students, Chair of Zoology UW, Warsaw University, biologists - Poland - biography},
}