TY - CONF A1 - Helmerich, Rosemarie A1 - Niederleithinger, Ernst A1 - Trela, Christiane A1 - Bien, J. A1 - Bernardini, G. T1 - Complex multi-tool inspection of masonry arch bridges using non-destructive testing T2 - IABMAS 2008 - Fourth International Conference on Bridge Maintenance, Safety and Management T2 - IABMAS 2008 - Fourth International Conference on Bridge Maintenance, Safety and Management CY - Seoul, South Korea DA - 2008-07-13 PY - 2008 AN - OPUS4-17733 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -