Xi Yu, Sheng Sun, and Yun Liu. “Design of Wideband Filtering Power Dividers With Harmonic Suppression Based on the Parallel-Coupled Line Structures”. Applied Computational Electromagnetics Society Journal (ACES) 33, no. 05 (July 25, 2021): 468–475. Accessed May 12, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/9143.