1. Hearing aids. Methods for measurement of electroacoustical characteristics of hearing aids with automatic gain control circuits Part 2, (15th September 1996) 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. Specification for semiconductor devices of assessed quality: generic data and methods of test. (31st July 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (428 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Methods of measurement for waveguides. Waveguide power holding capability Part 8, (15th March 1997) 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) ↗