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Natural SciencesEarth SciencesPhysicsElectromagnetismGeomagnetismGeomagnetic IndicesMagnetohydrodynamicsPlanetary Magnetic FieldsPlanetary MagnetospheresSecular VariationGeomagnetic Secular VariationMagnetic Field GradientsMagnetic Field InhomogeneityMagnetic Field VariabilityMagnetic Secular Variation
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<i>Science and Civilisation in China</i>
Joseph Needham, J. Arol Simpson · Physics Today · 1963 · 921 citations
Social Sciences, Development Studies, Science Communication +8
Lower mantle heterogeneity, dynamic topography and the geoid
Bradford H. Hager, Robert W. Clayton, Mark A. Richards et al. · Nature · 1985 · 842 citations · Full text
Science and Civilisation in China
N. Sivin, Joseph Needham, Lu Gwei‐Djen · The American Historical Review · 1977 · 375 citations