A. C. Duncumb

Ultrasonic Velocity Variations in API 5L Grade X60 Steel

A. C. Duncumb, A. Okell, 1990 .

Inspection of Titanium Tubing using Ultrasonic Lamb Waves Generated by an Electromagnetic Acoustic Transducer

A. C. Duncumb, D. M. Keighley, 1988 .