311. Tracked Changes. Solid biofuels. Fuel specifications and classes. Graded wood pellets Part 2, (12th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
312. Tracked Changes. Solid biofuels. Vocabulary. (26th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (92 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
313. Tracked Changes. Test gases. Test pressures. Appliance categories. (21st October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (128 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
314. Universal Decimal Classification. English full edition. Engineering, technology in general. Characteristics and details of machines, equipment, plant, processes and products Part 9], (28th February 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (62 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
315. Universal Decimal Classification. English full edition. Explosives. Fuels (29th July 1983) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗