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2Published 1917Subjects: “...Solar radiation. http://id.loc.gov/authorities/subjects/sh85124537...”
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3Published 1920Subjects: “...Solar radiation. http://id.loc.gov/authorities/subjects/sh85124537...”
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Government Document eBook -
4Published 1925Subjects: “...Solar radiation. http://id.loc.gov/authorities/subjects/sh85124537...”
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Government Document eBook