Skibenko, A. I. “Uhf Reflectometry of Plasma by Extraordinary Waves With a Frequency below the Electron Cyclotron Frequency”. Ukrainian Journal of Physics 58, no. 8 (October 10, 2018): 719. Accessed May 9, 2025. https://ujp.bitp.kiev.ua/index.php/upc/article/view/2018343.