https://www.dsgv.de/newsroom/presse/190912_PM_EZB_30.html
http://visegradinsight.eu/app/uploads/2019/11/EaP-2030-Trends.pdf
https://wiiw.ac.at/fighting-depreciation-and-inflationary-pressures-dlp-6733.pdf
https://www.bruegel.org/wp-content/uploads/2021/09/PC-2021-18-0909.pdf