| 000 | 00538nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230616b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a621.397(082.2) _bM0.1 |
||
| 245 |
_aSixth European conference on optical communication _c/ University of York, United Kingdom 16-19 September, 1980 organised by the...............................Europe |
||
| 260 |
_aLondon: _bInstitution of Electrical Engineers, _c1980 |
||
| 300 | _av, 25p. | ||
| 650 | _aConference | ||
| 942 |
_2udc _cPR |
||
| 999 |
_c44215 _d44215 |
||