Korolev, V. M., E. V. Luchuk, V. V. Luzhnyak, and E. S. Ostapchuk. “Analytical Review of Development of Mobile Communication Facilities of Operative and Tactical Control Levels of Leading Countries Armed Forces”. Military Technical Collection, no. 1 (May 4, 2009): 80–85. Accessed March 9, 2022. http://vtz.asv.gov.ua/article/view/180748.