
https://trade.ec.europa.eu/doclib/docs/2021/february/tradoc_159438.pdf

https://wiiw.ac.at/regulatory-convergence-within-technical-barriers-to-trade-dlp-6630.pdf

https://www.ips-journal.eu/topics/economy-and-ecology/how-to-get-away-with-sanctions-russian-style-6918/