TY - CONF A1 - Grothe, Sven T1 - Ultrasonic Signal Evaluation Used to Detect Weather-Related Temperature Changes in a Concrete Specimen T2 - NDT-CE 2015 T2 - NDT-CE 2015 CY - Berlin, Germany DA - 2015-09-15 PY - 2015 AN - OPUS4-34392 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -