A field investigation of noise reduction afforded by insert-type hearing protectors
By: R. G. Edwards ... [et al.]
Contributors: Edwards, R. G. 1940-; National Institute for Occupational Safety and Health. Division of Biomedical and Behavioral Science.
Series: DHEW publication -- no. (NIOSH) 79-115
Publisher: Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, Division of Biomedical and Behavorial Sciences
Published: 1979
Place of publication: Cincinnati, Ohio
Language: eng
Number of pages: 43
Subjects: Ear Protective Devices.; Noise, Occupational -- prevention & control.; Hearing Loss, Noise-Induced -- prevention & control.
Notes: On cover: NIOSH technical report.

November 1978.

Bibliography: p. 29.