TY - BOOK ED - The Robert Gordon Institute of Technology ED - Historic Scotland ED - Scottish Enterprise ED - Masonry Conservation Research Group TI - Stone cleaning in Scotland SN - 0-7480-0451-3 PY - 1992/// CY - [Edinburgh] PB - Historic Scotland, Scottish Enterprise, The Robert Gordon Institute of Technology KW - Arquitetura KW - Conservação e restauro KW - Arenitos KW - Pedra KW - Técnicas de limpeza KW - NA105 ER -