TY - CONF A1 - Helmerich, Rosemarie A1 - Milmann, Boris 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 AN - OPUS4-22933 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -