@misc{Wojciech_Piasecki_w_Siedlcach_Witold,
 author={Wojciech Piasecki w Siedlcach},
 copyright={Public Domain},
 howpublished={online},
 title={Witold Eichler - portrait},
 type={Image},
 URL={http://rcin.org.pl/miiz/Content/82762/WA058_90791_Eichler_2.pdf},
 keywords={Eichler, Witold (1874-1960), medicals, entomologists, naturalists, travelers, collectors and collecting, biologists - Poland - biography},
}