2010. Implementing a simple antenna on a spherical dielectric resonator in the millimeter and submillimeter wavelengths. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 42 (May 2010), 51–54. DOI:https://doi.org/10.20535/RADAP.2010.42.51-54.