1. Specification for quantities, units and symbols. Dimensionless parameters Part 12, (1st July 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (11 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for quantities, units and symbols. Characteristic numbers Part 12, (15th March 1993) 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) ↗