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IV. Joint Discussion on Astronomical Observations with Artificial Satellites, Rockets and Balloons
[1]Siry, J. W. ‘The Vanguard I.G.Y. Earth satellite program’, Proceedings of the Fifth General Assembly of C.S.A.G.I.Moscow 30 July to 10 August 1958, in press.Google Scholar
[2]
[2]Jastrow, R. and Pearce, C. ‘Atmospheric drag on the satellite’. J. Geophys. Res.62, no. 3, 1957.Google Scholar