https://www.fbcbj.org/sites/default/files/content-files/European_Business_in_China_Position_Paper_2021_2022%5B964%5D.pdf
http://www.lawyersforbritain.org/eu-deal-financial-liabilities.shtml
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6448&CESifoWP.search=+