| 000 | 00259 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aMethods of Measurements and Results of Lower Ionosphere Structure / _cRawer K.. |
|
| 710 | 2 |
_aAkademie-Verlag. _eWydawca _4pbl |
|
| 260 |
_aBerlin : _bAkademie-Verlag, _c1974. |
||
| 300 |
_aX, 462 s.; _c25 cm. |
||
| 999 |
_c8228 _d8228 |
||