Hamzavi-Zarghani, Z. ., and Z. . Atlasbaf. “A Single-Layer Multi-Band Reflectarray Antenna in X/Ku/K-Bands”. Applied Computational Electromagnetics Society Journal (ACES), vol. 31, no. 05, Aug. 2021, pp. 555-61, https://journals.riverpublishers.com/index.php/ACES/article/view/10119.