TY - GEN A1 - Müller, Urs A1 - Weise, Frank A1 - Grell, S. ED - Fort, R. ED - de Buergo, R. T1 - The long term effects of a water repellent treatment on a volcanic tuff T2 - Proceedings of the Heritage, Weathering and Conservation Conference (HWC 2006) T2 - Heritage, Weathering and Conservation Conference (HWC 2006) CY - Madrid, Spanien DA - 2006-06-21 PY - 2006 SN - 0-415-41272-2 VL - 2 SP - 777 EP - 784 PB - Taylor & Francis CY - London AN - OPUS4-12509 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -