https://www.cesifo-group.de/DocDL/ifoDD_18-01_03-09_Ochsner.pdf
https://www.amacad.org/sites/default/files/publication/downloads/2024_Promoting-Dialogue_Future-Nuclear-Arms-Control.pdf
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/261-peace-ukraine-iii-costs-war-donbas
http://www.ips-journal.eu/regions/global/article/show/brexit-but-what-about-africa-2199/