Kosturek, Robert, Janusz Torzewski, Marcin Wachowski, Krzysztof Grzelak, and Lucjan Śnieżek. “Selected  Problems in Friction Stir Welding of Titanium and Aluminum Armor Grade Alloys”. Advances in Military Technology 19, no. 2 (January 16, 2025): 217–224. Accessed April 30, 2025. https://www.aimt.cz/index.php/aimt/article/view/1851.