Chi, X., Wang, T., Shi, L., Halapsis, D., Rudenko, N., Madinov, M., Parashchenko, T. and Hlushchenko, P. (2026) “A High Power Directional Helical Antenna Modelling for Communication and Signal Disruption Operating at 10 MHz”, Proceedings of the Bulgarian Academy of Sciences. Sofia, Bulgaria, 79(3), pp. 349–358. doi: 10.7546/CRABS.2026.03.08.