W.-L. TsaiRUEY-BEEI WU2018-09-102018-09-102010-05http://scholars.lib.ntu.edu.tw/handle/123456789/359157Tri-band filter design using substrate integrated waveguide resonators in LTCCconference paper10.1109/MWSYM.2010.55176492-s2.0-77957768378