TY - CONF A1 - Wiggenhauser, Herbert T1 - Need for non-destructive testing and evaluation of concrete structures. Advanced NDT methods and damage assessment in concrete structures T2 - CBRI Seminar T2 - CBRI Seminar CY - Roorkee, India DA - 2007-02-05 PY - 2007 AN - OPUS4-14725 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -