1. International Organization for Standardization ISO 717-1: Acoustics. Rating of Sound Insulation in Buildings and of Building Elements – Part 1: Airborne Sound Insulation, 2013.
2. International Organization for Standardization ISO 10140: Acoustics. Laboratory Measurement of Sound Insulation of Building Elements – Part 2: Measurement of Airborne Sound Insulation and Part 4: Measurement Procedures and Requirements, 2010.
3. On the meaning of the sound reduction index at low frequencies;Kropp;Acta Acustica,1994
4. Low-frequency airborne sound transmission through single partitions in buildings;Osipov;Applied Acoustics,1997
5. Numerical investigation of the repeatability and reproducibility of laboratory sound insulation measurements;Dijckmans;Acta Acustica United with Acustica,2013