1. J. Simkin and C. W. Trowbridge, Optimization problems in electromagnetics,IEEE Trans. Magn. 27(5):4016–4019 (1991).
2. Z. Badics, Y. Matsumoto, K. Aoki, and F. Nakayasu, Defect-Shape Reconstruction in Three-Dimensional Eddy Current NDE Problems by an Optimization Technique, Nonlinear Electromagnetic Systems, Proceedings of the International Symposium on Nonlinear Electromagnetic Systems, Cardiff, UK, 17–20 September, 1995, A. J. Moses and A. Basak, eds. (IOS Press, Amsterdam, 1996), pp. 780–783).
3. J. R. Bowler, L. D. Sabbagh, and H. A. Sabbagh, A theoretical and computational model of eddy current probes incorporating volume integral and conjugate gradient method,IEEE Trans. Magn. 25(3):2650–2664(1989).
4. J. R. Bowler, S. A. Jenkins, L. D. Sabbagh, and H. A. Sabbagh, Eddy-current probe impedance due to a volumetric flaw,J. Appl. Phys. 70(3):1107–1114 (1991).
5. R. F. Harrington,Time Harmonic Electromagnetic Fields (McGraw-Hill, New York, 1961).