1. Report and order and Memorandum opinion and order, Washington, DC. 20554;Federal Communications Commission (FCC 05-56),2005
2. Microstrip filters for RF/Microwave applications;Hong,2001
3. Design of Microstrip hairpin Bandpass filter using defected ground structure and open stubs;Vidhya,2011
4. Novel miniaturized bandpass filters using spiral-shaped resonators and window feed structures;Dai;Progress in Electromagnetic Research, PIER,2010
5. Microstrip Filters for RF/Microwave Applications 2nd edition wily series in microwave and optical engineering;Chang,2014