1. Information technology. Digitally recorded media for information interchange and storage. 120 mm Single Layer (25, 0 Gbytes per disk) and Dual Layer (50, 0 Gbytes per disk) BD Rewritable disk. (2nd February 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (228 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗