| 000 | 00369 a2200097 4500 | ||
|---|---|---|---|
| 020 | _a9261012310 | ||
| 920 | _a92-61-01231-0 | ||
| 245 | 0 |
_aTwentieth Report by the International Telecommunication Union on Telecommunication and the Peaceful Uses of outer Space / _c. |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1981. |
||
| 300 |
_a233 s.; _c21 cm. |
||
| 999 |
_c11003 _d11003 |
||