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IEEE Transactions on Signal Processing > 2012 > 60 > 5 > 2247 - 2259
IEEE Signal Processing Letters > 2010 > 17 > 8 > 770 - 773
IEEE Transactions on Antennas and Propagation > 2008 > 56 > 4 > 933 - 943
IEEE Transactions on Microwave Theory and Techniques > 2006 > 54 > 6-1 > 2552 - 2563