https://publications.parliament.uk/pa/cm201719/cmselect/cmfaff/514/514.pdf
https://www.europarl.europa.eu/doceo/document/TA-9-2024-0034_EN.pdf
https://rusi.org/sites/default/files/briefingpaper-france-uk-2017.pdf
http://ecdpm.org/wp-content/uploads/ETTG-Brief-Keijzer-Medinilla-November-2017.pdf