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Andrée
1
Arctic
Balloon
1
Dewey Decimal Classification500 | Naturwissenschaften550 | Geowissenschaften
1
Dewey Decimal Classification500 | Naturwissenschaften551 | Geologie, Hydrologie, Meteorologie
1
North Pole
1
Spitsbergen
1
Svalbard
1
Svalbard and Jan Mayen
1
Twentieth century reanalysis
1
balloon observation
1
exploration
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meteorology
1
twentieth century
1
wind
1
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