1. D. Lesselier, Optimization techniques and inverse problems: Probing of acoustic impedance profile in time domain. J. Acou. Soc. Am.1276–1284 (1982).
2. S. M. Candel, F. Defillipi and A. Launary, Determination of the inhomogeneous structure of a medium from its plan wave reflection response, Part II: A numerical approximation. J. Sound
and
Vibration583–595 (1980).
3. J. P. Jones, Impediography: a new ultrasonic technique for diagnostic medicine. “Ultrasound in Medicine”, Vol. 1. Proceedings of the 1974 Meeting of the American Institute of Ultrasound in Medicine, Plenum Press, 499–508 (1975).
4. J. A. Ware and K. Aki, Continuous and discrete inverse-scattering problems in a stratified elastic medium. I. Plane waves at normal incidence, J. Acou. Soc. Am.911–921 (1969).
5. P. L. Goupillaud, An approach to inverse filtering of near-surface layer effects from seismic records, Geophysics754–760 (1961).