@misc{_Marian, copyright={Public Domain}, howpublished={online}, title={Marian Masłowski}, type={Image}, URL={http://rcin.org.pl/miiz/Content/125049/PDF/WA058_109760_Maslowski_P750.pdf}, keywords={Masłowski, Marian Piotr (1898-1945), zoologists, entomologists, lepidopterologists, collectors and collecting, biologists - Poland - biography}, }