TY - CONF A1 - Rücker, Werner A1 - Herter, Jürgen T1 - Radiographic methodes for inspection of old steel bridges T2 - IAEA - Rabat, Marocco T2 - IAEA - Rabat, Marocco CY - Rabat, Morocco DA - 2002-09-26 PY - 2002 AN - OPUS4-6798 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -