@misc{Swirski_Zbigniew_(1926–_)_Mieczysław_[1959],
 author={Swirski, Zbigniew (1926– )},
 copyright={Public Domain},
 howpublished={online},
 year={[1959]},
 title={Mieczysław Józefik - business trips},
 type={Image},
 URL={http://rcin.org.pl/miiz/Content/87133/PDF/WA058_90920_Jozefik_wyjazdy.pdf},
 keywords={Józefik, Mieczysław (1930- ), zoologists, ornithologists, academics, biologists - Poland - biography},
}