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1by Halley, Edmond, 1656-1742Subjects: “...Magnetic declination -- Maps...”
Published 1739
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2by Soerensen A. L., Jacob D. J., Streets D., Witt M., Ebinghaus R., Mason R. P., Andersson M., Sunderland E. M.Subjects: “...decline...”
Published in E3S Web of Conferences (2013)
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3by Soerensen A. L., Jacob D. J., Streets D., Witt M., Ebinghaus R., Mason R. P., Andersson M., Sunderland E. M.Subjects: “...decline...”
Published in E3S Web of Conferences (2013)
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4by Philippart, Jean-ClaudeSubjects: “...factors of population decline...”
Published 2007
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Conference Object