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BIH (Bureau International de l'Heure)†

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*1 Guinot, B., History of the Bureau International de l'Heure [³°Éô¥µ¥¤¥È], Polar Motion: Historical and Scientific Problems, ASPC, 208, (2000).->ËÜʸ(1)¤ËÌá¤ë
Last-modified: 2017-07-20 (ÌÚ) 15:12:23