Брайловский H. H., Моржов C. B., and В. А. Хорошко. “Information Protection in Controlling Air Traffic”. Proceedings of National Aviation University 6, no. 1-2 (September 20, 2000): 110–113. Accessed November 22, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/9727.