TY - GEN AU - Verhoef, L.G.W. ED - International Union of Testing and Research Laboratories for Materials and structures TI - Soiling and cleaning of building facades : report of technical committee 62 SCF RILEM SN - 0412306700 PY - 1988/// CY - Abingdon PB - Taylor & Francis KW - EXTERIOR WALLS-Cleaning KW - Weathering of buildings KW - BUILDING MATERIALS-Cleaning N1 - Index included. ER -