TY - CONF A1 - Wiggenhauser, Herbert A1 - Helmerich, Rosemarie A1 - Niederleithinger, Ernst T1 - Non-destructive techniques for the condition assessment of railway bridges T2 - Transportation Research Boards (TRB) 85th Annual Meeting T2 - Transportation Research Boards (TRB) 85th Annual Meeting CY - Washington, D.C., USA DA - 2006-01-22 PY - 2006 AN - OPUS4-12033 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -