Ammar, Kholoud, Amr Hussein, and Mahmoud Attia. “High Space Efficiency Compact Chipless RFID Tag With Equidistance Resonances”. International Journal of Engineering & Technology 7, no. 2 (April 23, 2018): 609–616. Accessed May 8, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/9254.