@misc{Dunajewski_Andrzej_(1908–1944)_Predatory_1940,
 author={Dunajewski, Andrzej (1908–1944)},
 copyright={Public Domain},
 howpublished={online},
 year={1940},
 type={Image},
 title={Predatory birds},
 URL={http://rcin.org.pl/miiz/Content/244745/WA058_277575_1940_Ptaki-drapiezne.pdf},
 keywords={biologists - Poland - biography, zoologists - Poland, ornithologists, State Zoological Museum in Warsaw - staff},
}