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application/pdfIEEEIEEE Sensors Journal;2018;18;13;10.1109/JSEN.2018.2835146Acoustic transducersfrequency measurementultrasonic sensorsair-coupled ultrasoundHigh-Frequency Measurement of Ultrasound Using Flexural Ultrasonic TransducersAndrew FeeneyLei KangSteve Dixon
IEEE Sensors Journal52381 July1, 20181318 10.1109/JSEN.2018.28351465244
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