1. Photographic density measurements. Guide for terms, symbols and notations Part 1, (28th June 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Semiconductor devices: discrete devices and integrated circuits. Discrete devices. Recommendations for optoelectronic devices Part 1-1.5, (30th August 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗