1. ISO 10534-1. Acoustics—Determination of Sound Absorbing Coefficient and Impedance in Impedance Tubes, Part I: Method Using Standing Wave Ratio, 1996.
2. ISO 10534-2. Acoustics—Determination of Sound Absorption coefficient and Impedance method in Impedance Tubes, Part II: Transfer–Function method, 1998.
3. Transfer function method of measuring in-duct acoustic properties, I: theory;Chung;J Acoust Soc Am,1980
4. Transfer function method of measuring in-duct acoustic properties, II: experiment;Chung;J Acoust Soc Am,1980
5. Error analysis of two-microphone measurements in duct with flow;Åbom;J Acoust Soc Am,1988