1. Cunningham, J.A., and Quate, C.F., “Acoustic Interference in Solids and Holographic Imaging”, in Acoustical Holography, vol. 4, G. Wade, Editor (Springer Science+Business Media New York, 1972) p. 667.
2. Cunningham, J.A., and Quate, C.F., “High-Resolution, High-Contrast Acoustic Imaging”, J. Physique 33, Colloque c-6, Supplement, 42 (Nov-Dec. 1972).
3. King, Louis V., Proc. Roy. Soc. (London), A137, 212 (195).
4. Hasegawa, T., and Yosioka, K., J. Acoust. Soc. Am. 46, 1139 (1969).
5. Cunningham, J.A., “High Resolution Acoustic Imaging”, Ph.D. Dissertation, Stanford University (1973).