| 000 | 00344 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aSeminar on the Planning and Development of Telecommunication Networks Outside of Large Cities and the Maintenance of Telecommunication Services / _c. _nPart 1 |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1972. |
||
| 300 |
_a445 s.; _c34 cm. |
||
| 999 |
_c11142 _d11142 |
||