@misc{_Arkadiusz,
 copyright={Public Domain},
 howpublished={online},
 title={Arkadiusz Kreczmer},
 type={Image},
 URL={http://www.rcin.org.pl/Content/107547/PDF/WA058_90974_Kreczmer_1.pdf},
 keywords={Kreczmer, Arkadiusz Karol (1876-1969), zoologists, entomologists, naturalists, musicians, biologists - Poland - biography, collectors and collecting},
}