YANG, L. .; HONGCHUN, Y. .; YAWEI, W. .; SHAOQIU, X. . Ultra-Wideband Bandpass Filter Based on Parallel-Coupled Microstrip Lines and Defected Ground Structure. Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 28, n. 01, p. 21–26, 2021. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/11695. Acesso em: 21 jun. 2026.