1. Information processing systems. Data interchange on 90 mm (3, 5 in) flexible disk cartridges using modified frequency modulationrecording at 15916 ftprad, on 80 tracks on each side. Track format Part 2, (28th October 1990) 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. Information technology. Picture coding methods. Identification Part 1, (30th November 1990) 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) ↗
3. Open systems interconnection. Specification for protocol to provide the connectionless-mode network service. (30th April 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (66 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Specification for IEC 821 bus: microprocessor system bus for 1 to 4 byte data. (30th April 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (238 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗