@misc{_Jerzy, editor={Michajłow, Włodzimierz (1905–1994). Collector}, copyright={Public Domain}, howpublished={online}, title={Jerzy Ruszkowski}, type={Image}, URL={http://www.rcin.org.pl/Content/141659/PDF/WA058_158509_Ruszkowski_Jerzy.pdf}, keywords={Ruszkowski, Jerzy (1887-1934), naturalists, zoologists, parasitologists, academics, Chair of Zoology UW, Warsaw University, biologists - Poland - biography}, }