ISO 140-5:1978 Acoustics; Measurement of sound insulation in buildings and of building elements; Part V : Field measurements of airborne sound insulation of facade elements and facades
1998ISO 140-5:1998 Acoustics - Measurement of Sound Insulation in Buildings and of Building Elements - Part 5: Field Measurements of Airborne Sound Insulation of Facade Elements and Facades (Second Edition)
1978ISO 140-5:1978 Acoustics; Measurement of sound insulation in buildings and of building elements; Part V : Field measurements of airborne sound insulation of facade elements and facades