TY - CONF A1 - Wiggenhauser, Herbert T1 - NDT in civil engineering T2 - CBRI Seminar T2 - CBRI Seminar CY - Roorkee, India DA - 2007-02-02 PY - 2007 AN - OPUS4-16554 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -