21. Specification for control functions for ISO 7-bit and 8-bit coded character sets. (31st August 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (55 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Specification for structure and rules for implementation of United Kingdom 8-bit coded character set. (30th June 1987) 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) ↗
23. Specification for UK 7-bit coded character set. (31st March 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗