References
- Walker , B. 1985 . Plant Noise and Equipment Selection and Control . Noise Vib. Control Worldwide , 16 ( 4 ) : 119
- American Conference of Governmental Industrial Hygienists . Documentation of the Threshold Limit Values, 4th ed . Cincinnati, OH
- Plunkett , R. January 1955 . Noise Reduction of Pneumatic Hammers . Noise Control , 1 : 78
- Chaffee , W. C. 1955 . Reduction of Noise in Industrial Pneumatic Tools . Noise Control , 1 ( 2 ) : 16 – 18 . 67
- Willoughby , R. A. and Parker , E. 1973 . Muffling Techniques for Reducing Pneumatic Tool Noise . Plant Eng , 27 : 104
- Bell , L. H. 1982 . Industrial Noise Control; Fundamentals and Applications New York : Marcel Dekker, Inc. .
- Beranek , L. L. 1971 . Noise and Vibration Control New York : McGraw Hill .
- Beck , J. C. , Blehm , K. D. and Beaulieu , H. J. 1987 . Ducting as a Pneumatic Noise Control Technique . Am. Ind. Hyg. Assoc. J , 48 : 28