https://wiiw.ac.at/austria-s-economic-relations-with-the-eu-eastern-partnership-countries-and-russia-dlp-6925.pdf
http://ecdpm.org/wp-content/uploads/ETTG-Brief-Keijzer-Medinilla-November-2017.pdf
https://wiiw.ac.at/cefta-trade-and-growth-patterns-fifteen-years-since-establishment-dlp-6508.pdf