M. Deák, “German owned Airlines in South-America – The Brief History of Lufthansa’s Affiliates Between 1919–1939”, Act Sci Soc, no. 45, pp. 61–67, Feb. 2015, Accessed: Feb. 21, 2026. [Online]. Available: https://journal.uni-mate.hu/index.php/asc/article/view/382