Effect of electronic hearing protectors on speech intelligibility
By: by John Durkin
Contributors: United States. Bureau of Mines
Series: Report of investigations - Bureau of Mines ; 8358
Publisher: Dept. of the Interior, Bureau of Mines
Published: 1979
Place of publication: [Washington]
Language: eng
Number of pages: 19
Subjects: Mining engineering -- Noise control; Noise control
Notes: Bibliography: p. 18-19