https://ukandeu.ac.uk/wp-content/uploads/2020/10/UK-internal-Market-Bill-devolution-and-the-union.pdf
https://cerre.eu/wp-content/uploads/2022/12/CERRE_MarketDesign_Final.pdf
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/680142/Chancellor_to_Governor_February_2018.pdf