1. L. Azar and S. C. Wooh, “A novel ultrasonic phased arrays for the nondestructive evaluation of concrete structures,” in Review of Progress in Quantitative Nondestructive Evaluation, eds. D. O. Thompson and D. E. Chimenti, (Plenum Press, New York 1999), in this volume.
2. M. G. Silk, Ultrasonic Transducers for Nondestructive Testing., (Adams Hilger, Bristol, 1984).
3. S. C. Wooh, and Y. Shi, “Optimization of ultrasonic phased arrays,” Review of Progress in Quantitative Nondestructive Evaluation, op. cit., (1998), p. 883.
4. Y. Shi, Modeling of acoustic waves for linear phased arrays, MIT MS thesis (1998).
5. S. C. Wooh and Y. Shi, “Design Strategies for Phased Arrays,” in Review of Progress in Quantitative Nondestructive Evaluation, op. cit., (1999), in this volume.