Döken, Bora, İhsan Koç, Ali Koç, and Mikail Altan. “Dual-Band Frequency Selective Surface Design for GSM Shielding Applications”. Journal of Aeronautics and Space Technologies 14, no. 1 (January 21, 2021): 1-7. Accessed April 23, 2021. http://jast.hho.edu.tr/index.php/JAST/article/view/429.