BS EN ISO 140-3:1995 Acoustics. Measurement of sound insulation in buildings and of building elements-Laboratory measurement of airborne sound insulation of building elements
2011BS EN ISO 10140-5:2011 Acoustics. Laboratory measurement of sound insulation of building elements. Requirements for test facilities and equipment
2005BS EN ISO 140-3:1995 Acoustics. Measurement of sound insulation in buildings and of building elements-Laboratory measurement of airborne sound insulation of building elements