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. Impedance tube technology for flow acoustics;Panicker;Journal of Sound and Vibration,1981
4. Impedance tube measurements—comparative study of current practices;Chu;Noise Control Engineering Journal,1991
5. Further experimental studies on the transfer function technique for the impedance tube measurements;Chu;Journal of Acoustical Society of America,1988