W. Gebhardt

The phased array as new electronically steerable probe for materials testing

W. Gebhardt, F. Bonitz, 1978 .

Evaluation of ultrasonic volume- and underclad indications at long distances

L. von Bernus, V. Schmitz, M. Kröning, 1989 .

Defect Classification and Imaging with Phase Array Techniques

W. Gebhardt, F. Bonitz, V. Schmitz, 1981 .

Improvement of ultrasonic testing by phased arrays

W. Gebhardt, 1983 .