TY - GEN A1 - Helmerich, Rosemarie T1 - Contribution on non-destructive defect detection to bridge management T2 - IABMAS 2010 T2 - IABMAS 2010 CY - Philadelphia, PA, USA DA - 2010-07-11 PY - 2010 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/22933 AN - OPUS4-22933 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany