| 000 | 006000000a22001690004500 | ||
|---|---|---|---|
| 008 | 150724t1981 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 |
_a656.7(044.4) _bI6 |
||
| 942 | _cBK | ||
| 110 | _aInternational Civil Aviation Organization | ||
| 245 | _aICAO circular : assessment of technological progress made in reduction of noise from subsonic and supersonic jet aeroplanes | ||
| 260 |
_aQuebec _bInternational Civil Aviation Organization _c1981 |
||
| 300 | _aiii, 108p. : graphs, tables | ||
| 440 | _aCircular 157-AN/101 | ||
| 650 | _aAIR TRANSPORTATION | ||
| 650 | _aAIRCRAFT - Noise | ||
| 999 |
_c166116 _d166116 |
||