@misc{Z._Klaften;_Lwów;_ul._Jagiellońska_11_Lwów_Józef, author={Z. Klaften; Lwów; ul. Jagiellońska 11, Lwów}, copyright={Public Domain}, howpublished={online}, title={Józef Siemiradzki}, type={Image}, URL={http://www.rcin.org.pl/Content/154338/PDF/WA058_174199_Siemiradzki-Jozef_P966.pdf}, keywords={Siemiradzki, Józef (1858-1933 ; geolog), paleontologists, geologists, naturalists, explorators, travelers, academics, biologists - Poland - biography}, }