TY - CONF A1 - Algernon, Daniel A1 - Wiggenhauser, Herbert T1 - Impact-echo data analysis based on the Hilbert-Huang transform T2 - TRB 86th Annual Meeting T2 - TRB 86th Annual Meeting CY - Washington, D.C., USA DA - 2007-01-21 PY - 2007 AN - OPUS4-17462 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -