Challis resource area, Upper Columbia - Salmon Clearwater districtsUnited States Bureau of Land Management1998EN
Ultrasonic NDE of adhered T-joints using Lamb waves and intelligent signal processing : Challis, R.E.; Bork, U.; Todd, P.C.D. Ultrasonics, Vol. 34, Nos. 2–5, pp. 455–459 (1996)NDT & E International1997PDF151 KB
Ultrasonic NDE of adhered T-joints using Lamb waves and intelligent signal processing : Challis, R.E.; Bork, U.; Todd, P.C.D. Ultrasonics, Vol. 34, No. 2–5, pp. 455–459 (Jun. 1996)NDT & E International1997PDF304 KB
Non-destructive Evaluation of the Adhesive Fillet Size in a T-peel Joint Using Ultrasonic Lamb Waves and a Linear Network for Data Discrimination : Bork, U.; Challis, R.E. Measurement Science and Technology, Vol. 6, No. 1, Pp. 72–84 (Jan. 1995)NDT & E International1996PDF202 KB
Artificial neural networks applied to lamb wave testing of T-form adhered joints : Bork, U.; Challis, R.E. Proceedings of the Conference on the Inspection of Structural Composites, London (United Kingdom), 9–10 Jun. 1994, Paper 16, 6pp. Edited by N. Saffari. Bentham Press (1994) ISBN 1-874612-13-7NDT & E International1996PDF202 KB