| 000 | 00390nam a22001577a 4500 | ||
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| 999 |
_c85719 _d85719 |
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| 003 | NITIL | ||
| 005 | 20210916144208.0 | ||
| 008 | 210916b ii ||||| |||| 00| 0 eng d | ||
| 020 | _cRs. | ||
| 040 |
_aNITIL _cNITIL |
||
| 082 | _223rd ed. | ||
| 110 |
_aIndian institute of Geomagnetism _93241 |
||
| 245 | _aIndia magnetic data 2014 | ||
| 260 |
_aMumbai _bThe author _c2014 |
||
| 942 |
_2ddc _cCF |
||