1. L. D. Rozenberg, Survey of Methods Used for the Visualization of Ultrasonic Fields, Soviet Physics-Acoustics ’1(2):105–116 (1955).
2. S. Lowenthal and Y. Belvaux, Appl. Phys. Letters 11(2): 49–51 (1967)
3. A. F. Metherell, H. M. A. El-Sum, and L. Larmore, Eds., Acoustical Holography, Vol. I, Plenum Press, Inc., New York (1969)
4. R. K. Mueller and N. K. Sheridon, Sound Holograms and Optical Reconstructions, Appl. Phys. Letters 9(9):238- 329 (1966)
5. R. B. Smith and B. B. Brenden, “Refinements and Variations in Liquid Surface and Scanned Ultrasonic Hoto- graphy,” presented at the IEEE 1968 Symposium on Sonics and Ultrasonics, New York City, September 1968