COLD REGIONS + POLAR REGIONS + FRIGID REGIONS (CLIMATIC ZONES)
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BTSURFACE OF THE EARTH IN GENERAL + LAND AREAS IN PARTUCULAR + NATURAL ZONES AND REGIONS (PHYSIOGEOGRAPHIC DESIGNATION)
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BTCLIMATIC ZONES (PHYSIOGEOGRAPHIC DESIGNATION)
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UDC(211)
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Descriptor GERKALTE ZONEN + POLARZONEN (KLIMAZONEN)
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Descriptor ENGCOLD REGIONS + POLAR REGIONS + FRIGID REGIONS (CLIMATIC ZONES)
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Descriptor FRERÉGIONS FROIDES + RÉGIONS POLAIRES (ZONES CLIMATIQUES)
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Variant GERKALTE ZONEN (KLIMAZONEN)
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Variant GERPOLARZONEN (KLIMAZONEN)
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Variant ENGFRIGID REGIONS (CLIMATIC ZONES)
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Variant ENGPOLAR REGIONS (CLIMATIC ZONES)
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Variant FRERÉGIONS FROIDES (ZONES CLIMATIQUES)
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Variant FRERÉGIONS POLAIRES (ZONES CLIMATIQUES)
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Variant FREZONES POLAIRES (ZONES CLIMATIQUES)
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NTPOLAR REGIONS + COLD REGIONS (BIOLOGY, ECOLOGY)
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NTSOUTH POLAR REGIONS + ANTARCTIC REGIONS (CLIMATIC ZONES)
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NTTUNDRA (CLIMATIC ZONES)
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RTBUILDING IN POLAR, COLD AND ARCTIC REGIONS (BUILT ENVIRONMENT)