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IEEE Transactions on Microwave Theory and Techniques > 2017 > 65 > 12-2 > 5389 - 5400
IEEE Sensors Journal > 2015 > 15 > 6 > 3156 - 3163
IEEE Transactions on Antennas and Propagation > 2015 > 63 > 5 > 2272 - 2281
IEEE Antennas and Propagation Magazine > 2013 > 55 > 6 > 14 - 34
IEEE Sensors Journal > 2011 > 11 > 11 > 2698 - 2710