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IEEE Antennas and Wireless Propagation Letters > 2016 > 15 > 12 - 15
IEEE Transactions on Antennas and Propagation > 2015 > 63 > 11 > 5056 - 5062
2009 Asia Pacific Microwave Conference > 2746 - 2749
IEEE Transactions on Antennas and Propagation > 2008 > 56 > 10 > 3150 - 3158