Kharchenko, Volodymyr, Yuriy Chynchenko, and Wang Bo. “ESTIMATION AND REPRESENTATION OF AIR TRAFFIC FLOWS INDICES IN TERMINAL CONTROL AREAS”. Proceedings of National Aviation University 64, no. 3 (September 29, 2015): 15–21. Accessed March 4, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/8928.