1. Bahr A J 1979 Microwave Techniques for NDE of Ceramics—Phase II, AMMRC Report TR79–3. Army Materials and Mechanics Research Center, Watertown, MA
2. On the estimation of a crack fracture parameter by long-wavelength scattering;Budiansky;J. Appl. Mech.,1978
3. Transmission imaging: Forward scattering and scatter reconstruction;Chou,1979
4. Length and depth resonances of surface cracks and their use for crack size estimation;Domarkas;Appl Phys. Lett.,1978
5. Structural ceramics;Evans;Prog. Mater. Sci.,1976