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2. Instrument for measuring the wall shear stress of turbulent boundary layers;Ludwieg;NACA Technical Memorandum,1950
3. Monolithic integrated direction-sensitive flow sensor;Huijsing;IEEE Trans. Electron Devices, ED-29,1982
4. An integrated silicon double bridge anemometer;van Putten;Sensors and Actuators,1983
5. Si Flow sensor for velocity and direction sensing;Sekimura,1984