| 000 | 005060000a22001570004500 | ||
|---|---|---|---|
| 008 | 150724t1991 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 080 |
_a656.7(044.4) _bI6 |
||
| 942 | _cBK | ||
| 110 | _aInternational Civil Aviation Organization | ||
| 245 | _aICAO circular : study on the refinement of the satellite broadcast concept | ||
| 260 |
_aQuebec _bInternational Civil Aviation Organization _c1991 |
||
| 300 | _aiv, 54p. : ill. | ||
| 440 | _aCircular 225-AN/134 | ||
| 650 | _aAIR TRANSPORTATION | ||
| 999 |
_c166114 _d166114 |
||