https://wiiw.ac.at/different-choices-divergent-paths-poland-and-ukraine-dlp-6419.pdf
https://www.crisisgroup.org/middle-east-north-africa/gulf-and-arabian-peninsula/iran/218-iran-us-brings-maximum-pressure-un
https://www.economiesuisse.ch/de/artikel/wirtschaftsmission-usa-staerkere-zusammenarbeit-bei-raumfahrt-und-ruestung