http://docs.dpaq.de/10395-0216-euco-conclusions.pdf
https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-issues-relating-functioning-union-institutions-agencies-and-bodies_en
https://www.publications.parliament.uk/pa/ld201617/ldselect/ldeucom/78/78.pdf
https://www.esri.ie/system/files/publications/RB202017_2.pdf