TY - GEN A1 - Müller, Urs T1 - The long term effects of a water repellent treatment on a volcanic tuff T2 - Heritage, Weathering and Conservation (HWC-2006) T2 - Heritage, Weathering and Conservation (HWC-2006) CY - Madrid, Spain DA - 2006-06-21 PY - 2006 UR - https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/11309 AN - OPUS4-11309 AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany