Kai-Da Xu and Fengyu Zhang (2019) “High Selectivity Bandpass Filter Using Three Pairs of Coupled Lines Loaded with Shorted Stubs”, Applied Computational Electromagnetics Society Journal (ACES), 34(03), pp. 469–474. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/8571 (Accessed: 1 June 2026).