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IEEE Sensors Journal > 2009 > 9 > 12 > 1772 - 1777
2008 IEEE Sensors > 1206 - 1209
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control > 2007 > 54 > 7 > 1290 - 1292
IEEE Sensors Journal > 2009 > 9 > 12 > 1772 - 1777
2008 IEEE Sensors > 1206 - 1209
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control > 2007 > 54 > 7 > 1290 - 1292