TY  - BOOK
T1  - Criteria for a recommended standard :occupational exposure to noise.
DA  - 1972]
CY  - [Rockville, Md. :
CN  - RC963.3 .N3
CN  - RC963.3
PB  - Distributed by National Technical Information Service, U.S. Dept. of Commerce, Springfield, Va.,
PP  - [Rockville, Md. :
PY  - 1972]
N1  - "PB 213 463".
ID  - 110724
KW  - Industrial noise.
KW  - Noise
KW  - Noise
TI  - Criteria for a recommended standard :occupational exposure to noise.
ER  -