1. ISO 140-I,III. Acoustics—measurement of sound insulation in buildings and of building elements. ISO, 1995.
2. ISO/DIS 15186–3, Acoustics—measurement of sound insulation in buildings and of building elements using sound intensity, ISO, 2000.
3. ELOT 370-I/IX (Hellenic Standard). Acoustics—measurement of sound insulation of building elements. ELOT, 1978 (in Greek).
4. New international standards for building and room acoustics;Goydke;Applied Acoustics,1997
5. ELOT EN 20354 (Hellenic standard). Acoustics—measurement of sound absorption in a reverberation room. ELOT, 1996 (in Greek).