L. Peng, Y. J. Qiu, X. Jiang, and C. L. Ruan. “A Low-Pass Filter With Sharp Transition and Wide Stop-Band Designed Based on New Metamaterial Transmission Line”. Applied Computational Electromagnetics Society Journal (ACES) 31, no. 10 (August 8, 2021): 1250–1256. Accessed May 14, 2026. https://journals.riverpublishers.com/index.php/ACES/article/view/9887.