A field investigation of noise reduction afforded by insert-type hearing protectors
By: R. G. Edwards ... [et al.]
Contributors: Edwards, R. G. 1940-
Series: NIOSH technical report; DHEW publication ; no. (NIOSH) 79-115; 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 behavioral Sciences
Published: 1978
Place of publication: Cincinnati, Ohio
Language: eng
Number of pages: 43
Subjects: Deafness -- Prevention; Noise control
Notes: Contract No. 210-76-0139

November 1978

Bibliography: p. 29