Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions
Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
Acoustics. Measurement of sound insulation in buildings and of building elements, Laboratory measurement of airborne sound insulation of building elements— 26 стр.