ISO 140-2:1991 Acoustics; measurement of sound insulation in buildings and of building elements; part 2: determination, verification and application of precision data
ISO 16940:2008 Glass in building - Glazing and airborne sound insulation - Measurement of the mechanical impedance of laminated glass
GOST EN 12758-2015 history
2015GOST EN 12758-2015 Glass and glass products. Sound insulation values