Kondo, Hironobu, and Martin Hegedus. “CURRENT TRENDS AND CHALLENGES IN THE GLOBAL AVIATION INDUSTRY”. Acta Metallurgica Slovaca 26, no. 4 (December 7, 2020): 141–143. Accessed September 22, 2026. https://office.journal-ams.org/index.php/AMS/article/view/763.