@misc{_Jan,
 editor={Brzęk, Gabriel (1908–2002). Collector},
 copyright={Public Domain},
 howpublished={online},
 type={Image},
 title={Jan Hirschler, Julian Tokarski, Jan Nowak},
 URL={http://rcin.org.pl/miiz/Content/86462/WA058_90897_Hirschler_KEF923.pdf},
 keywords={Hirschler, Jan (1883-1951), Tokarski, Julian (1883-1961), Nowak, Jan (1880-1940), naturalists, zoologists, geologists, University of Lviv - lecturers, biologists - Poland - biography},
}