Speeches/Presentations Presentation Dr. Reinhard Ploss Feb 20, 2020 | PDF | 2.82 mb Speech Dr. Reinhard Ploss Feb 20, 2020 | PDF | 225 kb Presentation Dr. Sven Schneider Feb 20, 2020 | PDF | 626 kb Speech Dr. Sven Schneider Feb 20, 2020 | PDF | 213 kb