References
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- Proulx , L. J. Jr. 1954 . Some Practical Aspects of Industrial Noise Measurements . AMA Arch Industr Hyg , 9 June : 496
- McGrath , R. M. 1952 . An Objective Method of Classifying Industrial Noise Environments . AMA Arch Industr Hyg , 5 May : 436
- Morse , K. M. 1958 . Industrial Noise Manual , Ann Arbor : American Industrial Hygíenists Association .
- Ward , W. D. , Selters , W. and Glorig , A. 1961 . Exploratory Studies on Temporary Threshold Shift From impulses . J Acoust Soc Amer , 33 : 781
- Flanagan , J. L. 1961 . Audibility of Periodic Pulses and a Model for the Threshold . J Acoust Soc Amer , 33 : 1540