Wu, Y. ., J. . Li, and Y. . Liu. “A Simple Coupled-Line Wilkinson Power Divider for Arbitrary Complex Input and Output Terminated Impedances”. Applied Computational Electromagnetics Society Journal (ACES), vol. 29, no. 07, Sept. 2021, pp. 565-70, https://journals.riverpublishers.com/index.php/ACES/article/view/10957.