Блинова, Н. К., Л. П. Яцук, and А. В. Селютин. 1. “Polarization and Energy Characteristics Control of X-Shaped Slots in a Waveguide Using Dielectric Inserts”. Visnyk of V.N. Karazin Kharkiv National University, Series “Radio Physics and Electronics”, no. 24 (1), 49-53. https://periodicals.karazin.ua/radiophysics/article/view/6384.