000 | 00347nam a2200145Ia 4500 | ||
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003 | HQRS | ||
005 | 20170117025443.0 | ||
008 | 170117s2017 xx 000 0 eng d | ||
040 |
_aHQRS _beng _cHQRS |
||
041 | _heng | ||
100 | _aBhuyan, P.K. | ||
245 | _aComparison of ionospheric electron | ||
260 |
_aNew Delhi _bNPL _c1988 |
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942 |
_2DDC _cBK |
||
999 |
_c32579 _d32579 |