TY - CONF A1 - Rücker, Werner T1 - Impulse radar for inspection of concrete structures - principle and examples - T2 - IAEA -, Rabat, Marocco T2 - IAEA -, Rabat, Marocco CY - Rabat, Morocco DA - 2002-09-24 PY - 2002 AN - OPUS4-6791 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -