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- [6] PULSED ULTRASONIC DOPPLER FLOWMETER BIOLOGICAL AND ENGINEERING APPLICATIONS IEEE TRANSACTIONS ON SONICS AND ULTRASONICS, 1970, SU17 (01): : 65 - &
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- [9] Ultrasonic flowmeter 2006 29TH INTERNATIONAL SPRING SEMINAR ON ELECTRONICS TECHNOLOGY, 2006, : 443 - +