@misc{_Arkadiusz_[1958], copyright={Public Domain}, howpublished={online}, year={[1958]}, title={Arkadiusz Kreczmer, NN, Bogdan Kreczmer}, type={Image}, URL={http://www.rcin.org.pl/Content/108550/PDF/WA058_90976_Kreczmer_3.pdf}, keywords={Kreczmer, Arkadiusz Karol (1876-1969), Kreczmer, Bohdan (1908-1987), zoologists, entomologists, naturalists, musicians, biologists - Poland - biography, collectors and collecting}, }