Melih Türk, and Fikret Tokan. “Broadband, Beam-Steering Asymmetric Stacked Microstrip Phased Array With Enhanced Front-to-Back Ratio”. Applied Computational Electromagnetics Society Journal (ACES), vol. 36, no. 3, Mar. 2021, pp. 273-81, https://journals.riverpublishers.com/index.php/ACES/article/view/7337.