| 000 | 00434nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230515b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a551.510.71 _bL8 |
||
| 100 | 1 |
_aOhshio, Mitsuo _98959 |
|
| 245 | _aIonospheric d region disturbances caused by solar x-ray flares | ||
| 260 |
_aTokyo: _bPlanning and support Division, _c1978 |
||
| 300 | _ax, 346p. | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c30100 _d30100 |
||