https://www.atlanticcouncil.org/wp-content/uploads/2020/09/Why_the_US-Italy_Relationship_Matters.pdf
http://www.aviationlaw.eu/wp/wp-content/uploads/2013/09/Freedoms-of-the-Air-Explained.pdf
https://www.economiesuisse.ch/de/schwerpunkte/wirtschaftsmonitor-umfrage-zum-ruf-der-schweizer-wirtschaft
https://www.politico.eu/article/eu-sues-china-wto-lithuania-blockade/?utm_source=POLITICO.EU&utm_campaign=04e3cb0104-EMAIL_CAMPAIGN_2022_02_10_09_59&utm_medium=email&utm_term=0_10959edeb5-04e3cb0104-190380769