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ARCTIC REGIONS
Ice and Permafrost
4
ROADS
Snow
(*PERMAFROST
3
CONSTRUCTION
3
FREEZING
3
(*ICE
2
(*SNOW
2
*ABSTRACTS)
2
*BIBLIOGRAPHIES)
2
ALASKA
2
ANTARCTIC REGIONS
2
Civil Engineering
2
FRICTION
2
FROST HEAVE
2
GEOLOGY
2
GLACIERS
2
Information Science
2
MECHANICAL PROPERTIES
2
SCIENTIFIC RESEARCH)
2
SOILS
2
USSR
2
WATER
2
(*BRIDGES
1
*ALASKA
1
*CONSTRUCTION
1
*PERMAFROST
1
*TUNDRA
1
AGRICULTURE
1
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