| 000 | 00362 a2200097 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aCCITT Economic Studies at the National Level in the Field of Telecommunications (1964-1972) / _c. |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1972. |
||
| 300 |
_as.[kilka liczb.]; _c24 cm. |
||
| 490 | 1 | _aSTATYSTYKA POLSKI | |
| 830 | 0 | _aSTATYSTYKA POLSKI | |
| 999 |
_c13381 _d13381 |
||