The earth's magnetism.
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| Format: | Book |
| Language: | English |
| Published: |
London : New York :
Methuen; Wiley,
[1951]
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| Edition: | [2d ed., rev. and reset]. |
| Series: | Methuen's monographs on physical subjects.
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| Subjects: |
| Physical Description: | 127 pages : illustrations ; 17 cm. |
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