https://capx.co/happy-300th-birthday-to-adam-smith-his-work-is-more-relevant-than-ever/
https://wiiw.ac.at/austria-s-economic-relations-with-the-eu-eastern-partnership-countries-and-russia-dlp-6925.pdf
https://www.lobbycontrol.de/wp-content/uploads/gaslobby-studie-lobbycontrol.pdf