TY  - BOOK
ED  - Acoustical Society of America
TI  - ANSI S3.1-1991 (ASA 99-1991). Revison of ANSI S3.1-1997 (R1986). Maximum permissible ambient noise levels for audiometric test rooms
PY  - 1991///
CY  - New York
PB  - ANSI
ER  -