TY  - GEN
AU  - Mange,Gary E.
AU  - Skale,Steven R.
AU  - Sutherland,Louis C.
ED  - United States.
ED  - United States.
ED  - United States.
TI  - Background report on outdoor-indoor noise reduction calculation procedures employing the exterior wall noise rating(EWNR) method
U1  - US 620.23 23rd ed.
PY  - 1978///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Noise
KW  - Measurement
KW  - Traffic noise
KW  - Noise control
N1  - FHWA-TS-77-220
ER  -