1. [1] H. Chang, et al.: “Multilayer dual-band bandpass filter with multiple transmission zeros using discriminating coupling,” IEEE Microw. Compon. Lett. 30 (2020) 645 (DOI: 10.1109/LMWC.2020.2995181).
2. [2] L. Wang, et al.: “Design of dual-band bandpass filter with multiple transmission zeros using transversal signal interaction concepts,” IEEE Microw. Compon. Lett. 29 (2019) 32 (DOI: 10.1109/LMWC.2018.2884147).
3. [3] H. Liu, et al.: “Dual-band superconducting bandpass filter using embedded split ring resonator,” IEEE Trans. Appl. Supercond. 23 (2013) 1300304 (DOI: 10.1109/TASC.2012.2230674).
4. [4] Y. Cao, et al.: “A compact dual-band bandpass filter for 2.4/5.2 GHz WLAN application,” IEICE Electron. Express 16 (2019) 20190553 (DOI: 10.1587/elex.16.20190553).
5. [5] P. Velez, et al.: “Dual-band balanced bandpass filter with common-mode suppression based on electrically small planar resonators,” IEEE Microw. Compon. Lett. 26 (2016) 16 (DOI: 10.1109/LMWC.2015.2505636).