1. Chemicals used for treatment of water intended for human consumption. Sodium hydroxide. (15th February 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Fibre optic communication subsystem basic test procedures. Test procedures for general communication subsystems. Central wavelength and spectral width measurement Part 1-3, (15th April 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Lead and lead alloys. Methods of sampling for analysis. (15th December 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗