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ANTARCTIC REGIONS)
USSR
9
TRANSLATIONS
8
GLACIERS
6
Ice and Permafrost
6
Snow
6
THICKNESS
6
(*STRUCTURAL GEOLOGY
4
ATMOSPHERIC TEMPERATURE
4
Geochemistry and Mineralogy
4
Geology
4
ICE
4
PERIODIC VARIATIONS
4
POLAR REGIONS
4
DENSITY
3
DISTRIBUTION
3
FREEZING
3
ICEBREAKERS
3
MAPPING
3
SEDIMENTARY ROCK
3
STRATIGRAPHY
3
(*ICE
2
(*OCEANOGRAPHIC DATA
2
(*SEA ICE
2
*ANTARCTIC REGIONS)
2
ANOMALIES
2
BYRD STATION
2
DATA PROCESSING
2
DRILLING
2
EARTH CRUST
2
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