| 000 | 00464nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230615b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a621.396/.397(082.2) _bL0 |
||
| 245 |
_aInternational broadcasting convention _c/ Grosvenor House, 7-11 September 1970 |
||
| 260 |
_aLondon: _bGrosvenor House, _c1970 |
||
| 300 | _a295p. | ||
| 650 | _aElectronics | ||
| 653 | _aScience | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c43772 _d43772 |
||