The Astronomical almanac for the year ...
Astronomical ephemeris for the year ...
American ephemeris and nautical almanac
Washington : U.S. G.P.O. ; c1980-
Nautical almanacs /
Vols. for 1981-198 issued by: the Nautical Almanac Office, United States Naval Observatory, and: Her Majesty's Nautical Almanac Office (1981 by order of the Science Research Council; 1982 on behalf of the Science Research Council; 1983- on behalf of the Science and Engineering Research Council).
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