1.

図書
図書
1. The figure of the earth : a collection of short papers
written by leading scientific men in several branches of geophysics, and treating of the size and shape of the earth
出版情報: Washington, D.C. : National Research Council, 1931
シリーズ名: Bulletin of the National Research Council ; no. 78 . Physics of the earth ; 2
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2.

図書
図書
2. The age of the earth
by the Subsidiary Committee on the Age of the Earth
出版情報: [Washington, D.C.] : National Research Council, 1931
シリーズ名: Bulletin of the National Research Council ; No. 80 . Physics of the earth ; 4
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