Lixue Zhou, YingZeng Yin, Wei Hu, and Xi Yang. “Compact Bandpass Filter With Sharp Out-of-Band Rejection and Its Application”. Applied Computational Electromagnetics Society Journal (ACES) 32, no. 03 (August 5, 2021): 249–255. Accessed August 25, 2024. https://journals.riverpublishers.com/index.php/ACES/article/view/9711.