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Displaying 1-3 of 3 results for author "Fritsche, H."
On the determination of the coefficients of the Gaussian general theory of the Earth's magnetism for the year 1885 and about the relationship of the three Earth-magnetic elements [microform] / H. Fritsche.
- Text
- Washington, D.C. : National Aeronautics and Space Administration, [1983]
- 1983
The elements of the Earth's magnetism for the epochs 1600, 1650, 1780, 1842 and 1885, and their secular changes derived from observations calculated using the coefficients of the Gaussian "General Theory of Earth's Magnetism" [microform] / H. Fritsche.
- Text
- Washington, D.C. : National Aeronautics and Space Administration, [1982]
- 1982
The elements of the Earth's magnetism and their secular changes between 1550 and 1915 [microform] / H. Fritsche.
- Text
- Washington, D.C. : National Aeronautics and Space Administration, [1983]
- 1983
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