TY - CONF A1 - Erhard, Anton A1 - Schulz, Eduard A1 - Brekow, Gerhard A1 - Wüstenberg, Hermann T1 - Critical Assessment to the TOFD Approach for Ultrasonic Weld T2 - 7th European Conference on Non-Destructive Testing (ECNDT) T2 - 7th European Conference on Non-Destructive Testing (ECNDT) CY - Copenhagen, Denmark DA - 1998-05-26 PY - 1998 AN - OPUS4-18876 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -