Oussama Boularess, Lotfi Ladhar, Adnan Affandi, and Smail Tedjini. “Analysis of RCS Signatures of Chipless RFID Tags Based on Arabic Alphabet Letters With Punctuation”. The Applied Computational Electromagnetics Society Journal (ACES), vol. 34, no. 05, May 2019, pp. 753-9, https://journals.riverpublishers.com/index.php/ACES/article/view/8485.