ICAO circular : assessment of technological progress made in reduction of noise from subsonic and supersonic jet aeroplanes
- Quebec International Civil Aviation Organization 1981
- iii, 108p. : graphs, tables
- Circular 157-AN/101 .
AIR TRANSPORTATION
AIRCRAFT - Noise
656.7(044.4) / I6
AIR TRANSPORTATION
AIRCRAFT - Noise
656.7(044.4) / I6