Sheng-lan Wang, Jing-Song Hong, Yan Deng, and Zhi-jian Chen. “A Frequency Reconfigurable Antenna Based on Few Layer Graphene”. The Applied Computational Electromagnetics Society Journal (ACES), vol. 36, no. 05, July 2021, pp. 542-7, https://journals.riverpublishers.com/index.php/ACES/article/view/8811.