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| 110 |
2 |
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|a Carnegie Institution of Washington
|9 96422
|
| 245 |
1 |
0 |
|a Statistical studies of quasi-periodic variables with ilustrative examples from geophysics :
|b Reprints of three papers from the Journal of Terrestrial Magnetism and Atmospheric Electricity
|
| 260 |
|
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|a Washington :
|b Carnegie Institution of Washington. Department of Terrestrial Magnetism,
|c 1959.
|
| 300 |
|
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|a 60 p. :
|b gráfs, láms plegs. ;
|c 24 cm.
|
| 500 |
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|a Contenido: Terrestrial-magnetic activity and its relations to solar phenomena / by Julius Bartels.
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| 650 |
|
4 |
|a MAGNETISMO TERRESTRE
|9 13258
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| 700 |
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|a Bartels, Julius
|e colab.
|9 13259
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| 942 |
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|d Miguel Kiperszmid
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