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Published online by Cambridge University Press: 25 April 2016
During the XXth General Assembly the Commission agreed to support a motion by Commissions 19 and 31 that a history be prepared of the Bureau Internationale de l’Heure and the International Polar Motion Service; the rider wad added that the two authors proposed (B. Guinot and S. Yumi) obtain the services of a professional historian of astronomy, to advise and assist where possible.