1. Specification for concentration gradient density columns. (6th March 1964) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Methods for determination of density and relative density of polytetrafluoroethylene (PTFE) tubing for aerospace applications. (28th February 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Carbon fibre. Method for determination of density Part 1, (15th April 1993) 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) ↗