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Google圖書搜尋
Orr's Circle of the Sciences: Practical astronomy, navigation, nautical astronomy and meteorology
William Somerville Orr
出版
W.S. Orr and Company
, 1856
URL
http://books.google.com.hk/books?id=3NM4AAAAMAAJ&hl=&source=gbs_api
EBook
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