1. C.F. Quate, A. Atalar, and H.K. Wickramasinghe, Acoustic microscope with mechanical scanning — A review, Proc. IEEE 67:1092(1979).
2. H.K. Wickramasinghe, Acoustic microscopy: present and future, Proc. IEE 131,a-4:282(1984).
3. N. Chubachi, Mechanically scanned acoustic microscope composed of plane and concave transducers for transmission mode, “Scanned Image Microscopy”, E.A. Ash Ed., Academic Press, London,: 119(1980).
4. IEEE Ultrasonics symp. Proc.;N Chubachi,1982
5. IEEE Ultrasonics Symp. Proc.;N Chubachi,1983