http://www.assemblee-nationale.fr/14/pdf/rap-info/i4485.pdf
https://www.bloomberg.com/news/articles/2017-08-25/brexit-bulletin-when-silence-isn-t-golden
https://www.esri.ie/system/files/publications/WP677_0.pdf
http://fedtrust.co.uk/mrs-may-in-florence/