TY - CONF A1 - Wüstenberg, Hermann A1 - Erhard, Anton A1 - Engl, G. T1 - Improved Ultrasonic Flaw-Detection and Analysis Techniques for Inservice Inspections on Pressure Vessels T2 - Institution of mechanical engineers conference publications 1979 PY - 1979 SN - 0144-0799 SP - Paper C33/79, 99 EP - 104 PB - Professional Engineering Publ. CY - London AN - OPUS4-9424 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -