https://ecipe.org/wp-content/uploads/2022/04/ECI_22_PolicyBrief_TradeDependency_05_2022_LY02.pdf
http://ecipe.org/publications/the-uks-first-international-trade-negotiation/?chapter=all
https://www.politico.eu/article/ukraine-war-wrong-marshall-plan-money-european-union/?utm_source=POLITICO.EU&utm_campaign=e7e0cc67f4-EMAIL_CAMPAIGN_2022_12_01_05_00&utm_medium=email&utm_term=0_10959edeb5-e7e0cc67f4-%5BLIST_EMAIL_ID%5D
http://www.guengl.eu/uploads/news-documents/Working_paper_Border_controls_on_cross_border_trade_in_goods.pdf