https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/63/63.pdf
https://www.youtube.com/watch?v=4ksdrYYUY2w&feature=youtu.be
http://www.acea.be/uploads/publications/ACEA_position_paper-Brexit.pdf
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6448&CESifoWP.search=+