
https://www.economiesuisse.ch/de/artikel/kuendigungsinitiative-ii-eine-wohlstandsbremse-par-excellence

https://www.theguardian.com/politics/2017/apr/19/gina-miller-best-for-britain-tactical-voting-against-hard-brexit?CMP=share_btn_link

https://www.publications.parliament.uk/pa/cm201617/cmselect/cmexeu/1125/1125.pdf