@misc{_Julian,
 copyright={Public Domain},
 howpublished={online},
 title={Julian Rzóska, Jerzy Wiszniewski},
 type={Image},
 URL={http://www.rcin.org.pl/Content/148299/PDF/WA058_161138_Rzoska-Julian_Wiszniewski-Jerzy.pdf},
 keywords={Wiszniewski, Jerzy (1908-1944), Rzóska, Julian (1900-1984), naturalists, zoologists, hydrobiologists, academics, biologists - Poland - biography},
}