1. Dudley, D.G. (1986), The parametric inverse problem in transient scattering, in Review of Progress in Quantitative Nondestructive Evaluation, D.O. Thompson and D.E. Chimenti, Ed., Plenum, New York, 317–326.
2. Lax, P.D. and R.S. Phillips (1967), Scattering Theory, Academic Press, New York.
3. Baum, C.E. (1971), On the singularity expansion method for the solution of electromagnetic interaction problems, Air Force Weapons Laboratory Interaction Notes, note 88.
4. Marin, L. (1973), Natural mode representation of transient scattered fields, IEEE Trans. Antennas Propagat., vol. AP-21, 809–818.
5. Moffitt, D.L. and R.K. Mains (1974), Detection and discrimination of radar targets, IEEE Trans. Antennas Propagat., vol. AP-23, 358–367.