https://ecipe.org/blog/trade-relationship-status-open/?mc_cid=88a1251206&mc_eid=286ad5ef5f
https://www.lobbycontrol.de/wp-content/uploads/gaslobby-studie-lobbycontrol.pdf
http://trade.ec.europa.eu/doclib/docs/2018/october/tradoc_157468.pdf
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/680366/Technical_Note_-_International_Agreements_in_the_Implementation_Period_-_CLEAN.pdf