David, Alexandru. “Technical Works on the Maritime Danube During the Period 1918-1938”. The Annals of "Dunarea de Jos" University of Galati. Fascicle XIX, History 9 (December 5, 2010): 119-144. Accessed May 7, 2024. https://www.gup.ugal.ro/ugaljournals/index.php/history/article/view/548.