1. Guidelines on durability of geotextiles and geotextile-related products. (15th June 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Plastics frames for use in gully tops and manhole tops for pedestrian areas. (15th August 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗