TY - CONF A1 - Helmerich, Rosemarie T1 - Opportunities and Limitation of Non-destructive Testing in Condition Assessment of Bridge Structures T2 - Munich Bridge Conference T2 - Munich Bridge Conference CY - Munich, Germany DA - 2009-05-27 PY - 2009 AN - OPUS4-19565 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -