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Google圖書搜尋
Reports on the Observations of the Total Eclipse of the Sun of January 1, 1889
Lick Observatory
出版
J.D. Young, Superintendent State Printing
, 1889
URL
http://books.google.com.hk/books?id=0CwzAQAAMAAJ&hl=&source=gbs_api
EBook
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