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ALASKA
ANTARCTIC REGIONS
3
ARCTIC REGIONS
Ice and Permafrost
3
Information Science
3
MECHANICAL PROPERTIES
3
Snow
USSR
3
(*ICE
2
(*PERMAFROST
2
(*SNOW
2
*ABSTRACTS)
2
*BIBLIOGRAPHIES)
2
CONSTRUCTION
2
FREEZING
2
FRICTION
2
FROST HEAVE
2
GEOLOGY
2
GLACIERS
2
ROADS
2
SCIENTIFIC RESEARCH)
2
SEA ICE
2
SOILS
2
*FOREIGN TECHNOLOGY
1
*ICE MECHANICS
1
*INFORMATION EXCHANGE
1
*OFFSHORE STRUCTURES
1
*SHIPS
1
*STRUCTURAL RESPONSE
1
AGRICULTURE
1
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