References
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- Dobie R A. Medical-legal Evaluation of Hearing Loss. Van Nostrand Reinhold, New York 1993
- Glorig A, Wheeler D, Quiggle R, Grings W, Summerfield A. 1954 Wisconsin State Fair Hearing Survey: Statistical treatment of clinical and audiometric data. American Academy of Ophthalmology and Otolaryngology, Los Angeles 1957
- Health and Safety Executive. A guide to audiometric testing programmes. Guidance Note MS 26. 1995, ISBN 0–7176–0942–1
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- ISO 389. Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometers (3rd edn). International Organization for Standardization, Geneva 1991
- ISO 1999. Acoustics — Determination of occupational noise exposure and estimation of noise-induced hearing impairment (2nd edn). International Organization for Standardization, Geneva 1990
- ISO 7029. Acoustics — Threshold of hearing by air conduction as a function of age and sex for otologically normal persons. International Organization for Standardization, Geneva 1984
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