| 000 | 00292 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aOblique Ionospheric Radiowave Propagation : _bat Frequencies near the Lowest Usable High Frequency / _cJones T.B.. |
|
| 710 | 2 |
_aTechnivision. _eWydawca _4pbl |
|
| 260 |
_aSlough : _bTechnivision, _c1969. |
||
| 300 |
_a554 s.: _bil.; _c25 cm. |
||
| 999 |
_c2884 _d2884 |
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