https://fta.co.uk/media/press-releases/2018/july/positive-reception-for-brexit-white-paper-from-log
https://www.esri.ie/system/files/publications/SUSTAT117.pdf
https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm
https://www.brookings.edu/blog/order-from-chaos/2018/01/05/the-brexit-options-explained/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=59815275