Dr. Frank Umbach at Phoenix on 05.07.22https://www.cassis.uni-bonn.de/en/media-contributions/frank-umbach-zur-rebellion-prigoschins/dr-frank-umbach-im-interview-bei-phoenix-am-05-07.22/viewhttps://www.cassis.uni-bonn.de/en/media-contributions/frank-umbach-zur-rebellion-prigoschins/dr-frank-umbach-im-interview-bei-phoenix-am-05-07.22/@@images/image-1200-a2622fab717d09e6053ac92b0f053110.png