1. “Handbook on the Ultrasonic Examination of Austenitic Welds” International Institute of Welding, 1985
2. Farley J. M. and Thomson J. L. Procedures for the Ultrasonic Examination of Austenitic and Austenitic/Ferritic Transition Welds. SMIRT-7 Post-Conference Seminar No. 3 NDE in Relation to Structural Integrity” Monterey Aug. 1983.
3. J. A. de Raad, F. H. Dijkstra. “Ultrasonic Inspection of Some Critical Areas of Nuclear Reactor Pressure Vessels”. “5th International Conference on Quantitative N.D.E. in the Nuclear Industry”.
4. A. de Sterke, J. A. de Raad, F. H. Dijkstra, “A Mobile Multiprobe Ultrasonic Installation for Mechanised Testing of Pressure Vessels during Fabrication.” Lecture presented at the second international symposium “The Quality of Nuclear Power Stations from American and German Viewpoints. 28. September 1978 - Cologne - Western Germany.
5. Sulzer-report, by X. Edelmann and O. Pfister “Mechanisierte Ultraschallprüfung an den Einschweissungen der Steuerstab-führungsrohre im Reaktordruckfässboden des Kernkraftwerkes LEIBSTADT”.