Yijing Deng, Yixuan He, and Jianpeng Wang. “Design of a Compact Wideband Filtering Power Divider With Improved Isolation”. Applied Computational Electromagnetics Society Journal (ACES), vol. 31, no. 09, Aug. 2021, pp. 1079-83, https://journals.riverpublishers.com/index.php/ACES/article/view/9919.