@misc{_Kazimierz,
 copyright={Public Domain},
 howpublished={online},
 title={Kazimierz Kulwieć},
 type={Image},
 URL={http://www.rcin.org.pl/Content/114271/PDF/WA058_97932_Kulwiec_P1899.pdf},
 keywords={Kulwieć, Kazimierz (1871-1943), naturalists, zoologists, environmental activists, academics, biologists - Poland - biography, Polish Sightseeing Society (1906-1950)},
}