1. ISO 717-1, Acoustics-Rating of sound insulation in Buildings and of Building elements-Part 1: Airborne sound insulation (2013).
2. R. Öqvist, F. Ljunggren, and A. Ågren, On the uncertainty of building acoustic measurements: case study of a cross-laminated timber construction, Appl. Acoust. 73 (2012) 904–912.
3. E. Gerresten, Interpretation of uncertainties in acoustic measurements in buildings, Noise Control Eng. J., 55(11) (2007) 50–54.
4. V. Wittstock, On the uncertainty of single-number quantities for rating airborne sound insulation, Acust. United Acta Acust., 93 (2007) 375–386.
5. V. Wittstock, On the calculation of uncertainties of single number rating in building acoustics, 19th International congress on acoustics, Madrid, 2–7 September, (2007) pp 1–6.