1. Code of practice for cleaning and surface repair of buildings. Cleaning of natural stones, brick, terracotta and concrete Part 1, (15th April 2000) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Code of practice for cleaning and surface repair of buildings. Surface repair of natural stones, brick and terracotta Part 2, (15th April 2000) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗