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The International Astrophotographic Congress and a Visit to Certain European Observatories and Other Institutions
Albert Gustavus Winterhalter
其他書名
Report to the Superintendent [of the U.S. Naval Observatory]
出版U.S. Government Printing Office, 1889
URLhttp://books.google.com.hk/books?id=FBdAAAAAYAAJ&hl=&source=gbs_api
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