Horwath, B. D. ., and T. A.-. Attar. “Simulation and Design of a Tunable Patch Antenna”. Applied Computational Electromagnetics Society Journal (ACES), vol. 26, no. 12, May 2022, pp. 1039-45, https://journals.riverpublishers.com/index.php/ACES/article/view/15523.