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IEEE Antennas and Wireless Propagation Letters > 2015 > 14 > 72 - 75
IEEE Antennas and Wireless Propagation Letters > 2015 > 14 > 751 - 754
IEEE Antennas and Wireless Propagation Letters > 2012 > 11 > 268 - 271
IEEE Transactions on Geoscience and Remote Sensing > 2011 > 49 > 1-2 > 509 - 518