1. Specification for bitumen-based filling compounds for electrical purposes. (3rd October 1973) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for mastic asphalt (natural rock asphalt fine aggregate) for roads and footways. (20th July 1973) 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) ↗
3. Specification for mastic asphalt for building (limestone aggregate). (15th October 1973) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗