1. Wave Propagation in Elastic Solids;Achenbach,1973
2. Estimation of blood velocities from Doppler signals;Angelsen,2000
3. Pulsed ultrasonic Doppler blood-flow sensing;Baker;IEEE Transactions on Sonics and Ultrasonics,1970
4. A sonic transcutaneous blood flowmeter;Baker,1964
5. Ultrasonic duplex echo-Doppler scanner;Barber;IEEE Transactions on Biomedical Engineering,1974