
https://www.nakedcapitalism.com/2018/02/another-brexit-mess-grandfathering-existing-free-trade-agreements-looks-unlikely.html

https://publications.parliament.uk/pa/cm201719/cmselect/cmbeis/379/379.pdf

https://www.project-syndicate.org/commentary/moodys-downgrade-china-sovereign-debt-rating-by-yu-yongding-2017-06