51. Specification for Portland cement. (29th November 1991) 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) ↗
52. Specification for sampling procedures and charts for inspection by variables for percent defective. (31st May 1979) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (95 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
53. Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Methods for determining and verifying stated values for batches of machines Part 4, (30th January 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Tracked Changes. Sampling procedures for inspection by variables. Specification for single sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection for a single quality characteristic and a single AQL Part 1, (16th November 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (320 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗