1.

図書
図書
1. The American ephemeris and nautical almanac for the year 1974
issued by The Nautical Almanac Office United States Naval Observatory, Her Majesty's Nautical Almanac Office Royal Greenwich Observatory
出版情報: Washington : U.S.Government printing office, 1972
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2.

図書
図書
2. Atoms and molecules in astrophysics : proceedings of the twelfth session of the Scottish Universities Summer School in physics, 1971
edited by T.R. Carson and M.J. Roberts
出版情報: London ; New York : Academic Press, 1972
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