1. H. Lee and G. Wade, Editors, Modern Acoustic Imaging, IEEE Press (1986).
2. J.F. Haflice and J.C. Tasnzer, “Medical Ultrasonic Imaging: An Overview of Principles and Instrumentation,” Proc. of the IEEE 67:7–28 (1979).
3. P.N.T. Wells, and M.C. Ziskin, New techniques and Instrumentation in Ultrasonography Churchill Livingstone, New York (1980).
4. K. Wang and G. Wade, “A Scanning Focused-Beam System for Real-Time Diagnostic Imaging,” Acoustic Holography, Ed. O.N. Booth, Plenum Press, New York, 6:213–228 (1975).
5. D.R. Diets, S.I. Porks and M. Linzer, “Expanding-Aperture Annular Array,” Ultrasonic Imaging 1:56–75 (1979).