Huy Hung Tran, and Truong Khang Nguyen. “K-Band Planar and Low-Profile Fabry-Perot Cavity Antenna With a Coupled Strip-Slitline Feed Structure”. Applied Computational Electromagnetics Society Journal (ACES), vol. 32, no. 06, July 2021, pp. 542-7, https://journals.riverpublishers.com/index.php/ACES/article/view/9599.