D. Schulze, Leaving Russia’s Backyard: GUAM and the Challenge of Integration, vol. Band 17. Münster: TESTINSTANZ: Wissenschaftliche Schriften der Universität Münster, 2016. Accessed: May 27, 2026. [Online]. Available: https://www.uni-muenster.de/EbooksTestInstallation/index.php/series/catalog/book/268