TY  - GEN
ED  - International Organization for Standardization
TI  - Acoustics: Standard reference zero for the calibration of pure-tone air conduction audiometers
U1  - ISO 389 
PY  - 1991///
CY  - Geneva
PB  - ISO
KW  - Acoustics
KW  - Standards
KW  - Audiometry
KW  - Audiometers
KW  - Calibration
N1  - From the verso of title page :"This third edition cancels and replaces the second edition(ISO 389:1985). It incorporates Addenda 1 (published in 1983) and 2 (published in 1986).Annexes A and B of this International Standard are for information only."
ER  -