51. Tracked Changes. Spectator facilities. Seats. Product characteristics Part 4, (21st February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. Geotextiles and geotextile-related products. Determination of the resistance to weathering. (15th November 2000) 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) ↗
53. Spectator facilities. Seats. Product characteristics Part 4, (15th February 2023) 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. BS EN 12037. Wood preservatives. Field test method for determining the relative protective effectiveness of a wood preservative exposed out of ground contact. Horizontal lap-joint method. (17th December 2020) 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) ↗
55. BS EN ISO 4892-2 AMD1. Plastics. Methods of exposure to laboratory light sources. Part 2. Xenon-arc lamps (21st December 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗