Rui Yin, Wenjie Feng, and Wenquan Che. “High Selectivity Dual-Band Bandpass Filters Using Dual-Mode Resonators”. Applied Computational Electromagnetics Society Journal (ACES) 32, no. 09 (July 30, 2021): 800–805. Accessed April 22, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/9501.