http://www.acea.be/uploads/publications/ACEA_position_paper-Brexit.pdf
https://www.auswaertiges-amt.de/blob/2608580/49d50fecc479304c3da2e2079c55e106/china-strategie-en-data.pdf
https://www.wto.org/english/res_e/booksp_e/blockchainrev18_e.pdf
http://trade.ec.europa.eu/doclib/docs/2018/october/tradoc_157469.pdf