Литвинцев, С. Н., and А. В. Захаров. “Expansion Method of Bandstop for Compline Bandpass Filters”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 79 (December 30, 2019): 16-23. Accessed November 21, 2024. https://radap.kpi.ua/radiotechnique/article/view/1607.