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Astronomical phenomena for the year ...
중앙도서관 대출불가(별치)
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prepared jointly by the Nautical Almanac Office, United States Naval Observatory and Her Majesty's Nautical Almanac Office, Royal Greenwith Observa
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U.S. Govt. Print. Off.; For sale by the sup. of Doc., U.S. Govt. Print. Off. ; Her Majesty's Stationery Office ; For sale by HMSO
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1951-
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