
https://www.bruegel.org/wp-content/uploads/2021/05/PC-2021-11-ecofin-210521.pdf

https://energy.ec.europa.eu/system/files/2022-05/COM_2022_230_1_EN_ACT_part1_v5.pdf

http://www.ips-journal.eu/regions/europe/article/show/a-banking-union-without-unity-2181/