TY - CONF A1 - Rücker, Werner T1 - Seismic methods in NDT-technologies T2 - Uni Coimbra T2 - Uni Coimbra CY - Coimbra, Portugal DA - 1995-10-16 PY - 1995 AN - OPUS4-6742 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -