BS EN 20140-10:1992 Acoustics. Measurement of sound insulation in buildings and of building elements-Laboratory measurement of airborne sound insulation of small building elements
2011BS EN ISO 10140-5:2011 Acoustics. Laboratory measurement of sound insulation of building elements. Requirements for test facilities and equipment
1992BS EN 20140-10:1992 Acoustics. Measurement of sound insulation in buildings and of building elements-Laboratory measurement of airborne sound insulation of small building elements