1. J.D. Achenbach and A. Norris, “Crack Characterization by the Combined Use of Time-Domain and Frequency-Domain Scattering Data,” 1981 AF/DARPA Review of Quantitative NDE, Plenum Publishing Corp.
2. J.D. Achenbach, A. Norris and K. Viswanathan, “Mapping of Crack Edges by Seismic Methods,” Bull. Seism. Soc. Am. 72, pp. 779–792, 1982.
3. A. N. Norris and J. D. Achenbach, “Mapping of a Crack Edge by Ultrasonic Methods”, J. Acoust. Soc. Am. 72, pp. 264–272, 1982.
4. A. N. Norris, “Inverse Ray Tracing in Elastic Solids with Unknown Anisotropy,” submitted for publication.
5. A.N. Norris, “Inverse Ray Tracing in Anisotropic Elastic Solids,” these Proceedings.