
https://www.oecd-ilibrary.org/docserver/cb6d9eca-en.pdf?expires=1654579866&id=id&accname=guest&checksum=058AA472061C4F1B77F0DDF5D1BCBA31

https://www.icij.org/investigations/paradise-papers/fairer-transparent-tax-system-will-lost-vested-interests-without-public-pressure-warns-eu-tax-commissioner/

http://www.irishtimes.com/opinion/a-shared-space-solution-to-ireland-s-brexit-border-problem-1.3022440