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(*ICE
2
Ice and Permafrost
2
Snow
2
(*GEOLOGY
1
(*GLACIERS
1
*SNOW
1
*Seismic waves
1
*ULTRASONIC RADIATION)
1
ALTITUDE
1
ANISOTROPY
1
ANOMALIES
1
ANTARCTIC REGIONS
1
Anisotropy
1
Antarctic Regions
1
ECHO RANGING
1
EQUATIONS OF MOTION
1
EXPERIMENTAL DESIGN
1
Elastic waves
1
GRAVITY
1
GREENLAND
1
Geochemistry and Mineralogy
1
Geology
1
Glaciers
1
ICE
1
ICE ISLANDS
1
Ice
1
Isotropism
1
MAGNETIC ANOMALY DETECTION
1
MEASUREMENT
1
MOUNTAINS
1
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