Description of the earth's main magnetic field and its secular change, 1905-1945 /
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Washington, D.C.,
[publisher not identified] ;
1947.
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| Series: | Carnegie Institution of Washington publication ;
578. |
| Subjects: |
| Physical Description: | v, 532 pages including tables, charts, diagrams ; 28 x 22 cm. |
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| Bibliography: | "Literature cited": page 532. |