Kharchenko, V.P., and V.V. Konin. “SATELLITE AERONAVIGATION CENTER OF NATIONAL AVIATION UNIVERSITY”. Proceedings of National Aviation University 24, no. 2 (February 1, 2005): 72–77. Accessed December 23, 2024. https://jrnl.nau.edu.ua/index.php/visnik/article/view/1154.