
https://www.ips-journal.eu/topics/foreign-and-security-policy/time-for-european-sovereignty-6365/?utm_campaign=en_1056_20221206&utm_medium=email&utm_source=newsletter

https://ec.europa.eu/epsc/sites/epsc/files/epsc_brief_passerelles_2.pdf?utm_source=POLITICO.EU&utm_campaign=042aa4f2be-EMAIL_CAMPAIGN_2019_01_16_02_43&utm_medium=email&utm_term=0_10959edeb5-042aa4f2be-190380769

https://www.iedonline.eu/download/2017/IED-REPORT-Bratislava-2017.pdf