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468by Brown, R. J. E.“...permafrost...”
Published 1977
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Book Part -
469by Pihlainen, J. A.Subjects: “...permafrost...”
Published 1960
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Article in Journal/Newspaper -
470
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477by Legget, R. F.Subjects: “...permafrost...”
Published 1966
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Article in Journal/Newspaper -
478by Johnston, G. H.Subjects: “...permafrost...”
Published 1966
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Article in Journal/Newspaper -
479by Brown, R. J. E.Subjects: “...permafrost...”
Published 1963
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Article in Journal/Newspaper -
480