TY - CONF A1 - Wiggenhauser, Herbert A1 - Azari, H. T1 - LAUS - Large Aperture Ultrasonic System - for Testing Thick Concrete Structures T2 - International Symposium Non-Destructive Testing in Civil Engineering (NDT-CE) T2 - International Symposium Non-Destructive Testing in Civil Engineering (NDT-CE) CY - Berlin DA - 2015-09-15 PY - 2015 AN - OPUS4-34373 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -