Нелін ЄА, Зінгер ЯЛ, Попсуй В, Непочатих ЮВ. Optimization of Microstrip Lowpass Filters with Three-Dimensional Stubs. RADAP [Internet]. 2020Sep.30 [cited 2024Nov.23];(82):61-6. Available from: https://radap.kpi.ua/radiotechnique/article/view/1654