TY - GEN A1 - Helmerich, Rosemarie T1 - NDT Methods for condition assessment of railway bridges T2 - IABSE 2006 Conference on operations, maintenance and rehabilitation of large infrastructure projects, bridges and tunnels T2 - IABSE 2006 Conference on operations, maintenance and rehabilitation of large infrastructure projects, bridges and tunnels CY - Copenhagen, Denmark DA - 2006-05-15 PY - 2006 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/14346 AN - OPUS4-14346 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany