Time and the Earth's rotation : proceedings of the 82nd Symposium of the International Astronomical Union held in San Fernando, Spain, 8-12 May, 1978 - McCarthy, Dennis D.; Pilkington, John D. H.; International Astronomical Union (Dordrecht : D. Reidel Publishing Company, 1979)
engfre
Keywords: Time -- Congresses; Earth -- Rotation -- Congresses