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: NIOSH technical report; DHEW (NIOSH) publication -- no. 79-115.; DHEW publication -- no. (NIOSH) 79-115.
Publisher: U.S. 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; U.S. Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, Division of Biomedical and Behavioral Sciences
Published: 1978
Place of publication: Cincinnati, Ohio
Language: eng
Number of pages: 43
Subjects: Deafness -- Prevention; Noise control
Notes: "November 1978."

"Contract No. 210-76-0139."

Bibliography: p. 29.