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IEEE Access > 2017 > 5 > 23672 - 23680
IEEE Antennas and Wireless Propagation Letters > 2014 > 13 > 1104 - 1107
IEEE Transactions on Antennas and Propagation > 2011 > 59 > 2 > 379 - 389
2009 Asia Pacific Microwave Conference > 1890 - 1893