https://ec.europa.eu/commission/sites/beta-political/files/joint_report.pdf
http://www.iata.org/whatwedo/Documents/economics/impact_of_brexit.pdf
https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-ongoing-police-and-judicial-cooperation-criminal-matters_en
https://www.esri.ie/system/files/publications/RB202017_2.pdf