Chen, C.-M. ., Chang, S.-J. ., & Yang, C.-F. . (2021). Fabrication of a Novel Diplexer Using Folded Open-Loop Ring Resonators and Microstrip Lines. Applied Computational Electromagnetics Society Journal (ACES), 29(11), 864–869. Retrieved from https://journals.riverpublishers.com/index.php/ACES/article/view/10841