Jinlin Liu, Tao Su, Huanhuan Lv, Lei Lin, and Bian Wu. “Six-Channel Diplexer Using Stub-Loaded Stepped Impedance Resonators”. The Applied Computational Electromagnetics Society Journal (ACES) 34, no. 10 (October 1, 2019): 1582–1587. Accessed May 3, 2024. https://journals.riverpublishers.com/index.php/ACES/article/view/8179.