1. Specification. Musical pitch. (15th February 1967) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Wind turbines. Declaration of apparent sound power level and tonality values Part 14, (1st November 2017) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗