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Benton E R, Alldredge L R. On the interpretation of the geomagnetic energy spectrum[J]. Phys Earth Planet Inter, 1987,48:265-278. 康國(guó)發(fā)吳小平文麗敏衚家富.;地球主磁場(chǎng)的能量密度譜及其長(zhǎng)期變化[J]