31. Acoustics. Determination of sound insulation performance of cabins. Laboratory and in situ measurements. (30th April 2010) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
32. Acoustics. Determination of sound insulation performances of enclosures. Measurements in situ (for acceptance and verification purposes) Part 2, (15th November 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) ↗
33. Acoustics. Determination of sound insulation performances of enclosures. Measurements under laboratory conditions (for declaration purposes) Part 1, (15th November 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
34. Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation room. (15th March 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
35. Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room. (16th September 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) ↗
36. Acoustics. Determination of sound power levels of noise sources using sound intensity. Measurement at discrete points Part 1, (15th December 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
37. Acoustics. Determination of sound power levels of noise sources using sound intensity. Measurement by scanning Part 2, (15th April 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
38. Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering method in an essentially free field over a reflecting plane. (1st December 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
39. Acoustics. Determination of sound power levels of noise sources using sound pressure. Engineering methods for small, movable sources in reverberant fields. Methods for special reverberation test rooms Part 2, (10th October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
40. Acoustics. Determination of sound power levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane. (15th November 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗