1. E. Segal and J. L. Rose, Nondestructive testing techniques for adhesive bond joints,Res. Tech. NDT IV:275?316 (1980).
2. C. C. H. Guyott and P. Cawley, Evaluation of the cohesive properties of adhesive joints using ultrasonic spectroscopy,NDT Int. 21(4):233?240 (1988).
3. R. D. Adams and P. Cawley, A review of defect types and non-destructive testing techniques for composites and bonded joints,NDT Int. 21(4):208?222 (1988).
4. G. M. Light and H. Kwan, Nondestructive Evaluation of Adhesive Bond Quality: A State of the Art Review, NTIAC-89-1, June 1989.
5. D. E. W. Stone, Nondestructive Methods of Characterising the Strength of Adhesive Bonded Joints?A Review, Royal Aircraft Establishment, Technical Report 86058, Presented at the 2nd Adhesive Encapsulants and Sealants Conference, Kensington, London, U.K., Nov. 4?6, 1986.