
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6430&CESifoWP.search=+

https://borderlex.net/2021/04/13/comment-quo-vadis-energy-charter-treaty/

http://www.eba.europa.eu/documents/10180/2101654/Letter+to+MEPs+on+the+request+to+investigate+a+possible+BUL+under+Article+17+of+Regulation+%28EU%29%20No+10932010+-+24092018.pdf