
http://blogs.lse.ac.uk/brexit/2017/07/19/euroscepticism-has-taken-hold-across-the-eu-but-it-has-many-different-roots/

https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-goods-placed-market-under-union-law-withdrawal-date_en

https://ec.europa.eu/commission/publications/terms-reference-article-50-treaty-european-union-negotiations_en