Запорожец, А. И., and О. Л. Петрашевский. “Modern Condition of Legislative and Normative Basis of Securing Ecological Safety of avia¬tion Transport”. Proceedings of National Aviation University 3, no. 2 (September 26, 1999): 285–291. Accessed November 29, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/9437.