https://www.corriere.it/politica/22_novembre_18/di-maio-nuova-vita-sara-inviato-speciale-ue-golfo-persico-trattare-prezzo-petrolio-gas-0805b148-6720-11ed-b05a-06c1012dfe21.shtml
https://economiesuisse.ch/de/artikel/schuldenbremse-so-gut-wie-vor-20-jahren-und-genauso-wichtig
https://foreignpolicy.com/2023/06/23/who-blew-up-the-nord-stream-pipeline/