@misc{Rząśnicki_Adolf_(1884–1953)_Jan_[1937],
 author={Rząśnicki, Adolf (1884–1953)},
 copyright={Public Domain},
 howpublished={online},
 year={[1937]},
 type={Image},
 title={Jan Landowski},
 URL={http://rcin.org.pl/miiz/Content/117161/PDF/WA058_97935_Landowski_KEF696.pdf},
 keywords={Landowski, Jan (1913-1972), naturalists, zoologists, promoters of science, zoo Warsaw - staff, zoo Warsaw - elephants, biologists - Poland - biography},
}