https://www.wto.org/english/res_e/booksp_e/oneyukr_e.pdf
http://www.chinadaily.com.cn/a/202005/06/WS5eb2013ba310a8b2411537e3.html
http://www.acea.be/uploads/publications/ACEA_position_paper-Brexit.pdf
https://www.bruegel.org/sites/default/files/2022-11/WP%2018.pdf