2021. Synthesis of Waveguide-Planar Filters on Stepped-Impedance Resonators. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia. 86 (Sep. 2021), 14–21. DOI:https://doi.org/10.20535/RADAP.2021.86.14-21.