How to control noise at its source

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      <subfield code="c">by George W. Kamperman</subfield>
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      <subfield code="a">Once the noise sources have been identified and analyzed, the ideal approach to noise control is engineering. The purpose of this article is to highlight some of the practical limitations of noise control systems and materials that should be considered for particular applications</subfield>
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      <subfield code="g">Vol, 125, nº 4, April 1982 ; p. 60-62</subfield>
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