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Travels and Researches of Alexander Von Humboldt ; Being a Condensed Narrative of His Journeys in the Equinoctial Regions of America, and in Asiatic Russia
Alexander von Humboldt
其他書名
--together with Analyses of His More Important Investigations
出版1838
URLhttp://books.google.com.hk/books?id=gIYrngAACAAJ&hl=&source=gbs_api