http://www.epc.eu/documents/uploads/pub_7865_realitybites.pdf
https://www.instituteforgovernment.org.uk/printpdf/10590
https://blogs.lse.ac.uk/brexit/2021/04/13/the-totality-of-uk-irish-relations/
https://ec.europa.eu/commission/sites/beta-political/files/position-paper-public-procurement_en.pdf