1. Methods for the calibration of vibration and shock transducers. Testing of sensitivity at fixed temperatures Part 34, (9th April 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Semiconductor devices. Optoelectronic devices. Light emitting diodes. Test method of the internal quantum efficiency based on the room-temperature reference point Part 5-10, (14th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗