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  1. 1
    Published 1937
    Subjects
    Conference Proceeding
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    Saved in:
    Scientific reports.
  2. 2
    Published 1925
    Subjects
    Conference Proceeding
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    Saved in:
    Scientific reports.
  3. 3
    Subjects “...Auroras Antarctica....”
    Conference Proceeding Book
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    Saved in:
    Observations on the Aurora /

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