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9Udgivet 1975Fag “...Frozen ground Research Alaska....”
Conference Proceeding Bog -
10Udgivet 1973Fag “...Frozen ground North America Congresses....”
Conference Proceeding Bog -
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13Udgivet 1989Fag “...Frozen ground Congresses....”
Conference Proceeding Bog -
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16Udgivet 1978Fag “...Frozen ground Congresses....”
Conference Proceeding Bog -
17Udgivet 1989Fag “...Frozen ground Periodicals....”
Tidsskrift -
18Udgivet 2003Fag “...Frozen ground Congresses....”
Conference Proceeding Bog -
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