Dr. Frank Umbach bei der European Initiative for Energy Security

Links
- https://www.cassis.uni-bonn.de/de/publikationen/the-challenges-of-protecting-critical-undersea-infrastructure/screenshot-2024-07-04-171833.png/image_view_fullscreen
- https://www.cassis.uni-bonn.de/de/publikationen/the-challenges-of-protecting-critical-undersea-infrastructure/screenshot-2024-07-04-171833.png/@@download/image/Bildschirmfoto 2024-07-10 um 10.36.16.png