Bousselmi, A., A. Gharsallah, and T. P. Vuong. “A Novel High-Gain Quad-Band Antenna With AMC Metasurface for Satellite Positioning Systems”. Engineering, Technology & Applied Science Research 9, no. 5 (October 9, 2019): 4581–4585. Accessed January 29, 2022. https://www.etasr.com/index.php/ETASR/article/view/2933.