
http://www.belfasttelegraph.co.uk/news/general-election-2017/comment/brexit-is-neither-a-partitionmaker-nor-a-partitionbreaker-that-decision-will-rest-with-northern-ireland-voters-35684229.html

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/836116/Explanatory_Note_Accessible.pdf

https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/15/15.pdf