https://www.koerber-stiftung.de/fileadmin/user_upload/koerber-stiftung/redaktion/the-berlin-pulse/pdf/2020/Koerber_TheBerlinPulse_Grafikteil_Deutsch.pdf
https://www.bruegel.org/wp-content/uploads/2021/10/Storms-Ahead_AGH_chp6.pdf
https://www.theatlantic.com/ideas/archive/2021/08/kabul-airport-bombing-afghanistan/619906/?utm_source=newsletter&utm_medium=email&utm_campaign=27%2F08%2F21