TY - JOUR A1 - Wüstenberg, Hermann A1 - Haufe, U. A1 - Erhard, Anton T1 - Contribution to the ultrasonic detection and sizing of inner wall surface breaking cracks in pipes JF - Materials evaluation PY - 1984 SN - 0025-5327 VL - 42 SP - 1142 EP - 1149 PB - Society for Nondestructive Testing CY - Columbus, Ohio AN - OPUS4-18753 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -