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Polar Regions
Charles F. Gritzner
出版Infobase Publishing, 2009
ISBN14381029339781438102931
URLhttp://books.google.com.hk/books?id=s-DEH7kgd3oC&hl=&source=gbs_api
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註釋Describes the Earth's polar regions, including weather, geography, ecosystems, human occupation, natural resources and political aspects.