1. P.D. Hanstead, Fast digital ultrasonic imaging, In: “Conf Proc of Ultrasonics International 81”, pp 62–66 (1981).
2. M. Moshfeghi and P.D. Hanstead, Ultrasonic reflection tomography of cylindrical rods, Ultrasonics 23:206–214 (1985).
3. M. Moshfeghi, Ultrasonic reflection — mode tomography using fan-shaped-beam insonification, IEEE Trans on Ultrasonics. Ferroelectrics and Frequency Control. UFFC 33:299–314 (1986).
4. B. Grohs, O.A. Barbian, W. Kappes, H. Paul, R. Licht and F.W. Hoh, Characterization of flaw location, shape and dimensions with the AL0K system, Materials Evaluation. 40:84–89 (1982).
5. T.A. Slesenger and G.B. Hesketh, Ultrasonic defect positioning by non linear least squares curve fitting, Acoustical Imaging. 14:547–558 (1985).