https://theconversation.com/why-the-eus-singapore-ruling-does-not-lead-to-a-smoother-brexit-road-for-britain-78116
http://blogs.lse.ac.uk/brexit/2018/05/25/what-are-the-legal-aspects-of-packing-the-lords-with-brexit-friendly-peers/
https://ukandeu.ac.uk/brexits-implications-for-environmental-policy/