@misc{_Kornel, copyright={Public Domain}, howpublished={online}, title={Kornel Radziewanowski}, type={Image}, URL={http://rcin.org.pl./Content/127545/PDF/WA058_109788_Radziewanowski_Kornel.pdf}, keywords={Radziewanowski, Kornel (1895-1905), agronomists, agricultural technologists, teachers}, }