| 000 | 00262 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aCCITT Plenary Assembly (Blue Book) Geneva, 1964 : _bProtection / _c. _nvol. 9 |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1964. |
||
| 300 |
_a68 s.; _c24 cm. |
||
| 999 |
_c2421 _d2421 |
||