Maaß, Kurt-Jürgen. “Crisis Prevention and Foreign Policy”. The Annals of "Dunarea de Jos" University of Galati. Fascicle XIX: History 4 (October 31, 2005): 190-196. Accessed May 3, 2025. https://www.gup.ugal.ro/ugaljournals/index.php/history/article/view/903.