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20171007093514.0 |
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080609c20009999|||uu 00 0 eng d |
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|a Four centuries of geomagnetic secular variation from historical records /
|c Andrew Jackson, Art R. T. Jonkers and Matthew R. Walker.
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| 260 |
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|a ,
|c 2000
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|b ca. 50 refs.
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|b ca. 50 refs.
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| 650 |
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|a Jackson, Andrew.
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|a Jonkers, Art R. T..
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|a Walker, Matthew R..
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|a 34 p.
|b il.
|c 30 cm.
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| 040 |
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|c AR-RiUNS
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| 866 |
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| 773 |
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|t International geomagnetic reference field 2000
|w PG4
|g (Art. no. 4)
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| 942 |
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|c PP
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| 999 |
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|c 24412
|d 24412
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