http://www.sussex.ac.uk/spru/newsandevents/2017/publications/food-brexit
https://ec.europa.eu/commission/sites/beta-political/files/use-data-protection-information_en.pdf
http://www.consilium.europa.eu//media/32504/xt21004-ad01re02en18.pdf
https://www.cesifo-group.de/DocDL/ifoDD_18-01_03-09_Ochsner.pdf