
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/638958/Continuity_in_the_availability_of_goods_for_the_EU_and_the_UK_Position_Paper.pdf

https://theconversation.com/why-the-eus-singapore-ruling-does-not-lead-to-a-smoother-brexit-road-for-britain-78116

https://blogs.sussex.ac.uk/uktpo/2018/12/17/organising-the-second-referendum/