@misc{Rząśnicki_Adolf_(1884–1953)_Kazimierz,
 author={Rząśnicki, Adolf (1884–1953)},
 copyright={Public Domain},
 howpublished={online},
 title={Kazimierz Tarwid},
 type={Image},
 URL={http://www.rcin.org.pl/Content/133253/PDF/WA058_152453_Tarwid_gniazdo.pdf},
 keywords={Tarwid, Kazimierz (1909-1988), zoologists, ecologists, academics, biologists - Poland - biography, State Zoological Museum in Warsaw - staff},
}