You-Feng Cheng, Wei Shao, Xiao Ding, and Meng-Xia Yu. “Design of Tilted-Beam Fabry-Perot Antenna With Aperiodic Partially Reflective Surface”. Applied Computational Electromagnetics Society Journal (ACES), vol. 32, no. 05, July 2021, pp. 397-04, https://journals.riverpublishers.com/index.php/ACES/article/view/9615.