1. 2) G. A. Soulodre, M. C. Lavoie and S. G. Norcross: “The Subjective Loudness of Typical Program Material”, Audio Eng. Soc. 115th Conv. Paper 5892 (Oct. 2003)
2. 3) G. A. Soulodre and S. G. Norcross: “Objective Measures of Loudness”, Audio Eng. Soc. 115th Conv. Paper 5896 (Oct. 2003)
3. 4) G. A. Soulodre: “Evaluation of Objective Loudness Meters”, Audio Eng. Soc. 116th Conv. Paper 6161, (May, 2004)
4. 5) ISO532: “Acoustics-Method for Calculating Loudness Level” (1975)