| 000 | 00476nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230322b |||||||| |||| 00| 0 eng d | ||
| 020 | _a0863530095 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 681.3:621(082.2) _bM4 |
||
| 245 |
_aVideotex '84 _c/ Division of Online Conferences |
||
| 260 |
_aUK: _bOnline Publications, _c1984 |
||
| 300 | _axii, 442p. | ||
| 650 | _aTeletext systems | ||
| 653 | _aInformation networks | ||
| 942 |
_2udc _cPR |
||
| 999 |
_c12533 _d12533 |
||