1. Rayleigh L (1894) The theory of sound. Macmillan, London
2. Von Helmholtz H, Ellis AJ (1895) On the sensations of tone as a physiological basis for the theory of music. London, Longmans, Green, and Co., New York
3. Fletcher NH, Rossing TD (1998) The physics of musical instrument, 2nd edn. Springer-Verlag, New York
4. Von Bekesy G (1960) Experiment in hearing. McGraw-Hill, New York
5. Kirikae I (1960) The structure and function of Middle Ear. Tokio University Press, Tokio