1.
Ma Y, Che W, Feng W, Chen J-X. Square Dual-Mode Quasi-Elliptic Bandpass Filter with Wide Upper Stopband. ACES Journal [Internet]. 2021 Sep. 27 [cited 2026 May 13];28(11):1056-60. Available from: https://journals.riverpublishers.com/index.php/ACES/article/view/11315