Need IEEE paper for ridged waveguide design with hfss

plz provide some link related to ur topic or give the detail of papers u required like journal name , paper title or author name etc.............

http://ieeexplore.ieee.org/stamp/sta...number=1127572
http://ieeexplore.ieee.org/stamp/sta...number=1124972
http://ieeexplore.ieee.org/stamp/sta...number=1132958
http://ieeexplore.ieee.org/xpls/abs_...rnumber=339743
http://ieeexplore.ieee.org/xpls/abs_...number=1131406
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