TY - GEN A1 - Wiggenhauser, Herbert T1 - Non-destructive evaluation of concrete structures using acoustic and electromagnetic methods T2 - Transportation Research Board of the National Academies, 83rd Annual Meeting 2005 T2 - Transportation Research Board of the National Academies, 83rd Annual Meeting 2005 CY - Washington, D.C., USA DA - 2005-01-12 PY - 2005 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/7316 AN - OPUS4-7316 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany