https://publications.parliament.uk/pa/cm201719/cmselect/cmniaf/329/329.pdf
https://ukandeu.ac.uk/the-uk-internal-market-bill-breaking-law-and-reputation/?mc_cid=7627d659c2&mc_eid=815b1928ec
http://www.epc.eu/documents/uploads/pub_7865_realitybites.pdf
https://institute.global/sites/default/files/2020-07/Tony%20Blair%20Institute%2C%20A%20Path%20to%20Brexit%20Agreement%2C%20July%202020.pdf