1. R. J. Botsco, R. W. Cribbs, R. J. King, and R. C. McMaster, in Nondestructive Testing Handbook, Second Ed., Vol. 4, Section 18, R. C. McMaster and P. Mclntire (Eds), American Society for Nondestructive Testing (1986).
2. R. Hochschild, “Applications of Microwaves in Nondestructive Testing,” Nondestructive Testing, Vol. 21 (March-April 1963), pp. 115–120.
3. T. M. Lavelle, “Microwaves in Nondestructive Testing,” Materials Evaluation, Vol. 25 (November 1967), pp. 254–258.
4. J. S. Martens, N. R. Sorenson, and D. S. Ginley, “A Novel Millimeter Wave Corrosion Detection Method,” J. Electrochemical Soc., Vol. 139 (October 1992), pp. 2886–2889.
5. R. King and V. Latorre, “Material Evaluation Using Open-Ended Resonators,” Lawrence Livermore National Laboratory Report UCRI-93297, Livermore, CA (August 1985). Also see Ref. 1, p. 528.