1. A. Korpel, L. W. Kessler and P. R. Palermo “Acoustic Microscope Operating at 100 MHz”, Nature 232, 110 (1971).
2. L. W. Kessler, A. Korpel and P. R Palermo “Simultaneous Acoustic and Optical Microscopy of Biological Specimens”, Nature 239, 111 (1972).
3. L. W. Kessler, P. R. Palermo and A. Korpel “Practical High Resolution Acoustic Microscopy”, pp. 51–71, Vol. 4 “Acoustic Holography” ed. by G. Wade, Springer Science+Business Media New York (1972).
4. A. Korpel and P. Desmares “Rapid Sampling of Acoustic Holograms by Laser Scanning Techniques”, J. Opt. Soc. Amer. 45, 881 (1969).
5. A. Korpel and L. W. Kessler “Comparison of Methods of Acoustic Microscopy”, pp. 23–43, Vol. 3 Acoustical Holography, ed. by A. F. Metherell, Plenum Press, 1971.