@misc{_Marian,
 copyright={Public Domain},
 howpublished={online},
 type={Image},
 title={Marian Masłowski},
 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},
}