1. Shao Yong Zheng, Su Zhi Li, Yong Mei Pan, Qamar Zeeshan, and Ho Derek, New Dual-/Tri-Band Bandpass Filters and Diplexer With Large Frequency Ratio, IEEE transactions on microwave theory and techniques, vol.66, no.6, (June 2018)
2. Zhu Lei, Sun Sheng, Wolfgang Menzel,Ultra-Wideband Bandpass Filters using Multiple-Mode Resonator, IEEE Microwave and Wireless Components Letters, vol.15, no.11, (November 2005)
3. Lachen Yechou, Abdelwahed Tribak, Mohamed Kacim, Zbitou Jamal and Angel Mediavilla Sanchez, A Novel Low-cost Microstrip Bandpass Filter for Ultra Wideband RF Applications, International Journal of Microwave and Optical Technology, vol.11, no.2, (March 2016)
4. VinothKumar S., Ganesh Madhan M., Kaushik R A simple UWB Bandpass Filter Design based on signal Interference Approach, CAE-ISSN:2394-4714, FCA-Newyork, International conference on computing, communication and sensor network, (2015)
5. Singhal Subodh Kumar, Sharma Deepak, Ram Mehar Singh Dhariwal, Design of 1.3GHzMicrostrip Highpass Filter Using Optimum Disturbed Short Circuited Stubs, First International Conference on Computational Intelligence, Communication Systems and Network, (2005)