61. BS EN ISO 14912. Gas analysis. Conversion of gas mixture composition data. (31st July 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (63 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
62. BS EN IEC 80000-13. Quantities and units. Part 13. Information science and technology (16th August 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (27 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
63. Tracked Changes. Quantities and units. Electromagnetism Part 6, (10th March 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (100 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗