Kharchenko, Volodymyr, Oleg Alexeiev, and Katerina Tapia. “COLLISION PROBABILITY OF AIRCRAFT FLYING ON PARALLEL TRACKS”. Proceedings of National Aviation University 54, no. 1 (April 4, 2013): 26–30. Accessed November 22, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/3859.