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IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control > 2008 > 55 > 8 > 1698 - 1704
Electronics Letters > 1985 > 21 > 1 > 1 - 2
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control > 2008 > 55 > 8 > 1698 - 1704
Electronics Letters > 1985 > 21 > 1 > 1 - 2