References
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- Clemis J. D., Ballad W. J., Killion M. C. Clinical use of an insert earphone. Ann Otol Rhinol Laryngol 1986; 95: 520–4
- IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts. International Electrotechnical Commission, Geneva 1973, IEC 126
- IEC provisional reference coupler for the calibration of earphones used in audiometry. International Electrotechnical Commission, Geneva 1970, IEC 303
- Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts. International Electrotechnical Commission, Geneva 1981, IEC711
- Acoustics – Standard reference zero for the calibration of pure tone air conduction audiometers. International Organization for Standardization, Geneva 1985, ISO 389
- Acoustics—Audiometric test methods. Part I: Basic pure-tone air and bone conduction threshold audiometry. International Organization for Standardization, Geneva 1986, ISO/DIS8253.2
- Killion M. C. New insert earphones for audiometry. Hear Instr 1984; 35(No. 7)28, 46
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