https://www.brookings.edu/wp-content/uploads/2020/11/Future-U.S.-policy-toward-China-v8.pdf
https://www.ost-ausschuss.de/sites/default/files/pm_pdf/2023%2012%2006%20_%20Position%20concerning%20blockade%20on%20EU-UA%20border_final.pdf
https://dgap.org/de/forschung/publikationen/europa-braucht-eine-bessere-geooekonomische-strategie