Universität Bonn
Links
- https://www.cassis.uni-bonn.de/en/media-contributions/frank-umbach-interview-welt-19-09-2/image/image_view_fullscreen
- https://www.cassis.uni-bonn.de/en/media-contributions/frank-umbach-interview-welt-19-09-2/image/@@download/image/Universität Bonn.png