Problems of the hearing aid industry: hearings before the Subcommittee on Government Regulation of the Select Committee on Small Business, United States Senate, Ninety-fourth Congress, first session ... May 20, 21, and 22, 1975

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U.S. Govt. Print. Off., 1975 - Business & Economics - 378 pages
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Contents

Introduction and Overview 1
27
How is Noise PerceivedThe Human Hearing Mechanism? 9
35
What are the Effects of Noise?
38

11 other sections not shown

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