1. New Zealand Building Code. Airborne and impact sound – clause G6. Building Industry Authority; 2001.
2. ASTM E 336 – 90. Standard test method for measurement of airborne sound insulation in buildings, American Society for Testing and Materials; 1990.
3. ISO 140-4: 1998(E). Acoustics – measurement of sound insulation in buildings and of building elements – Part 4: Field measurements of airborne sound insulation between rooms. International Organization for Standardization; 1998.
4. The effect of workmanship on sound transmission through buildings: Part 1 – Airborne sound;Craik;Appl Acoust,1989