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IEEE Sensors Journal > 2015 > 15 > 4 > 2062 - 2068
IEEE Sensors Journal > 2012 > 12 > 9 > 2784 - 2790
2011 IEEE International Ultrasonics Symposium > 756 - 759
2010 International Conference on Electronics and Information Engineering > 1 > V1-105 - V1-109
IEEE Transactions on Wireless Communications > 2010 > 9 > 12 > 3638 - 3649