1. Specification for magnetic six-disk packs for data processing. Track format Part 2, (14th August 1972) 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) ↗
2. Specification for magnetic six-disk packs for data processing. Mechanical and magnetic properties Part 1, (14th August 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Specification for magnetic eleven-disk packs for data processing. Mechanical and magnetic properties. (29th October 1976) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗